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发明名称
Jeweled electric relay
摘要
申请公布号
US2807687(A)
申请公布日期
1957.09.24
申请号
US19550514953
申请日期
1955.06.13
申请人
BULOVA RESEARCH AND DEVELOPMENT LABORATORIES, INC.
发明人
FISCHER FRANZ;PUNZMANN CARL
分类号
H01H50/20
主分类号
H01H50/20
代理机构
代理人
主权项
地址
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