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发明名称
Protection contre les retours de courant
摘要
申请公布号
FR897312(A)
申请公布日期
1945.03.19
申请号
FRD897312
申请日期
1943.08.18
申请人
PATENTVERWERTUNGS-GESELLSCHAFT MIT BESCHRANKTER HAFTUNG HERMES
发明人
分类号
H02H7/12
主分类号
H02H7/12
代理机构
代理人
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地址
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