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发明名称
Fernsprechhandapparat
摘要
申请公布号
DE719836(C)
申请公布日期
1942.04.17
申请号
DE1938M143193D
申请日期
1938.11.01
申请人
MIX & GENEST AG.
发明人
HAUKE BRUNO
分类号
H04M1/03
主分类号
H04M1/03
代理机构
代理人
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