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发明名称
Protective device
摘要
申请公布号
US2058594(A)
申请公布日期
1936.10.27
申请号
US19340739508
申请日期
1934.08.11
申请人
BELL TELEPHONE LABORATORIES, INCORPORATED
发明人
KELSAY LEROY W.
分类号
H01H85/44
主分类号
H01H85/44
代理机构
代理人
主权项
地址
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