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发明名称
Protective device for electrical instruments
摘要
申请公布号
US2218629(A)
申请公布日期
1940.10.22
申请号
US19370145395
申请日期
1937.05.28
申请人
BELL TELEPHONE LABORATORIES, INCORPORATED
发明人
SWART LELAND K.
分类号
G01R1/36
主分类号
G01R1/36
代理机构
代理人
主权项
地址
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