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摘要
申请公布号
US2976383(A)
申请公布日期
1961.03.21
申请号
US19560584934
申请日期
1956.05.15
申请人
PAUL KOBLER
发明人
KOBLER PAUL
分类号
H01H1/18
主分类号
H01H1/18
代理机构
代理人
主权项
地址
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