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发明名称
Electric commutator and interrupter according to the spark-neglecting principle
摘要
申请公布号
US2051708(A)
申请公布日期
1936.08.18
申请号
US19340757931
申请日期
1934.12.17
申请人
POUL HARTMANN JULIUS FREDERIK
发明人
HARTMANN JULIUS FREDERIK GEORG POUL
分类号
H02M1/30
主分类号
H02M1/30
代理机构
代理人
主权项
地址
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