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经营范围
发明名称
Telephonapparat für mehrere Personen.
摘要
申请公布号
CH212297(A)
申请公布日期
1940.11.15
申请号
CHD212297
申请日期
1939.02.24
申请人
JENTSCHMANN,JAKOB
发明人
JENTSCHMANN,JAKOB
分类号
H04M1/02
主分类号
H04M1/02
代理机构
代理人
主权项
地址
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