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发明名称
BATTERY INSERTION APPARATUS FOR EXTENDING LOOP TELEPHONE LINES
摘要
申请公布号
US3514543(A)
申请公布日期
1970.05.26
申请号
USD3514543
申请日期
1968.03.29
申请人
HARVEY HUBBELL INC.
发明人
COLIN T. RAE
分类号
H04M19/00;(IPC1-7):H04B3/00
主分类号
H04M19/00
代理机构
代理人
主权项
地址
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