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经营范围
发明名称
Schaltungsanordnung fuer Netzgruppenmuenzfernsprecher
摘要
申请公布号
DE704611(C)
申请公布日期
1941.04.03
申请号
DE1939T053023D
申请日期
1939.11.04
申请人
TELEPHON-APPARAT-FABRIK E. ZWIETUSCH & CO. G.M.B.H.
发明人
APPELIUS DIPL.-ING. FRITZ
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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