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发明名称
Finder distributor permanent timer
摘要
申请公布号
US2713616(A)
申请公布日期
1955.07.19
申请号
US19520312800
申请日期
1952.10.02
申请人
AUTOMATIC ELECTRIC LABORATORIES, INC.
发明人
BAKKER PIER
分类号
H04M3/523
主分类号
H04M3/523
代理机构
代理人
主权项
地址
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