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发明名称
Distributor switching apparatus
摘要
申请公布号
US2467457(A)
申请公布日期
1949.04.19
申请号
US19450597461
申请日期
1945.06.04
申请人
AUTOMATIC ELECTRIC LABORATORIES, INC.
发明人
BALZER HARVEY W.
分类号
H04M3/523;H04M15/08
主分类号
H04M3/523
代理机构
代理人
主权项
地址
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