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发明名称
Telephone pay station
摘要
申请公布号
US2278536(A)
申请公布日期
1942.04.07
申请号
US19390295200
申请日期
1939.09.16
申请人
TELEPHON-APPARAT-FABRIK E. ZWIETUSCH & CO., G.M.B.H.
发明人
DOHLE HINRICH;LANGNER HEINRICH;SCHRAMM WILHELM
分类号
H04M17/02
主分类号
H04M17/02
代理机构
代理人
主权项
地址
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