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经营范围
发明名称
Timer
摘要
申请公布号
US2934701(A)
申请公布日期
1960.04.26
申请号
US19560589721
申请日期
1956.06.06
申请人
WEISBERG
发明人
WEISBERG SYDNEY R.;SPANGENBERG CHARLES B.
分类号
H01H43/00
主分类号
H01H43/00
代理机构
代理人
主权项
地址
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