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发明名称
Protective device
摘要
申请公布号
US1999894(A)
申请公布日期
1935.04.30
申请号
US19340713929
申请日期
1934.03.03
申请人
COAN LEO W
发明人
COAN LEO W.
分类号
H01R4/70
主分类号
H01R4/70
代理机构
代理人
主权项
地址
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