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发明名称
Electroresponsively controlled mechanism
摘要
申请公布号
US1812845(A)
申请公布日期
1931.06.30
申请号
US19290338314
申请日期
1929.02.07
申请人
JOSEPH SACHS
发明人
SACHS JOSEPH
分类号
H01H73/50
主分类号
H01H73/50
代理机构
代理人
主权项
地址
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