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经营范围
发明名称
Arrangement for wireless telegraphy and telephony
摘要
申请公布号
US1757467(A)
申请公布日期
1930.05.06
申请号
US19270243251
申请日期
1927.12.29
申请人
GESELLSCHAFT FUR DRAHTLOSE TELEGRAPHIE M. B. H.
发明人
MOSER WILHELM
分类号
H03F3/28
主分类号
H03F3/28
代理机构
代理人
主权项
地址
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