Patent Certificate


The utility model relates to a secondary safety protection door of a transformer box ZL 2020 2 2856720. 1

The utility model relates to a secondary safety protection door of a transformer box ZL 2020 2 2856720. 1

The invention relates to a new type of special casting mold for dry transformer ZL 2020 2 2811676. 2

The invention relates to a new type of special casting mold for dry transformer ZL 2020 2 2811676. 2

The utility model relates to a convection cooling device for dry type transformer ZL 2020 2 2670334. 3

The utility model relates to a convection cooling device for dry type transformer ZL 2020 2 2670334. 3

The utility model relates to a special internal handling device for a transformer ZL 2020 2 2183234. 8

The utility model relates to a special internal handling device for a transformer ZL 2020 2 2183234. 8

The utility model relates to a dry type transformer anti-vibration support device ZL 2020 2 2811677. 7

The utility model relates to a dry type transformer anti-vibration support device ZL 2020 2 2811677. 7

The utility model relates to a sorting and placing frame for a magnetic conductive plate special for a transformer ZL 2020 2 2481821. 5

The utility model relates to a sorting and placing frame for a magnetic conductive plate special for a transformer ZL 2020 2 2481821. 5

The utility model relates to an auxiliary installation device for a transformer magnetic guide plate  ZL 2020 2 2183280. 8

The utility model relates to an auxiliary installation device for a transformer magnetic guide plate ZL 2020 2 2183280. 8

The invention relates to a new type liquid level indicating device for wet transformer ZL 2020 2 2481750. 9

The invention relates to a new type liquid level indicating device for wet transformer ZL 2020 2 2481750. 9

The utility model relates to a wedge-shaped fixing device between a transformer magnetic conductor and a coil ZL 2020 2 2186548. 3

The utility model relates to a wedge-shaped fixing device between a transformer magnetic conductor and a coil ZL 2020 2 2186548. 3

The utility model relates to a special pressing ring for an insulating seat of a transformer ZL 2020 2 1765763. 2

The utility model relates to a special pressing ring for an insulating seat of a transformer ZL 2020 2 1765763. 2

The utility model relates to a wet type transformer oil leakage proof shell ZL 2020 2 1765761.3

The utility model relates to a wet type transformer oil leakage proof shell ZL 2020 2 1765761.3

The utility model relates to a special pressing plate for transformer insulation base ZL 2020 2 1765764. 7

The utility model relates to a special pressing plate for transformer insulation base ZL 2020 2 1765764. 7

The utility model relates to a special bending device for a conductive busbar of a distribution box ZL 2020 2 2665700. 6

The utility model relates to a special bending device for a conductive busbar of a distribution box ZL 2020 2 2665700. 6

The invention relates to a novel high-power anti-arc circuit breaker ZL 2020 2 2856736. 2

The invention relates to a novel high-power anti-arc circuit breaker ZL 2020 2 2856736. 2

The utility model relates to a safety closing device for a distribution box ZL 2020 2 2831456. 6

The utility model relates to a safety closing device for a distribution box ZL 2020 2 2831456. 6

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Website construction:300.cn luoyang   SEO   

This website supports IPV6  

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