4. H - Electricity
  5. 01
  6. H

Osamu Koyanagi

H - Electricity – 01 – H

Inventor

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Details

Inventor

Country: Japan

Circuit breaker

H - Electricity – 01 – H
Patent

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Compressed-gas circuit interrupter with a heater

H - Electricity – 01 – H
Patent

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Electromagnetic puffer type gas circuit breaker

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Patent

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Pharmaceutical vehicle

A - Human Necessities – 61 – K
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Puffer-type gas-blast circuit breaker

H - Electricity – 01 – H
Patent

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Profile ID: LFCA-PAI-P-338253

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