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经营范围
发明名称
Fernsehanlage
摘要
申请公布号
DE521782(C)
申请公布日期
1931.03.26
申请号
DE1928E037205D
申请日期
1928.03.29
申请人
ELECTRICAL RESEARCH PRODUCTS, INC.
发明人
分类号
H04N5/222
主分类号
H04N5/222
代理机构
代理人
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地址
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