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发明名称
Indicator operating mechanism
摘要
申请公布号
US2427019(A)
申请公布日期
1947.09.09
申请号
US19460660264
申请日期
1946.04.06
申请人
BELL TELEPHONE LABORATORIES, INCORPORATED
发明人
NORWOOD CHARLES W.
分类号
F41G3/14
主分类号
F41G3/14
代理机构
代理人
主权项
地址
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