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发明名称
Electrical contacting device
摘要
申请公布号
US2319754(A)
申请公布日期
1943.05.18
申请号
US19400367699
申请日期
1940.11.29
申请人
BELL TELEPHONE LABORATORIES, INCORPORATED
发明人
JR. CHARLES F. SPAHN,
分类号
H04M1/08;H04M1/60
主分类号
H04M1/08
代理机构
代理人
主权项
地址
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