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发明名称
Modulating system
摘要
申请公布号
US2259658(A)
申请公布日期
1941.10.21
申请号
US19360084534
申请日期
1936.06.10
申请人
PHILCO RADIO AND TELEVISION CORPORATION
发明人
PARKER WILLIAM N.
分类号
H01F19/04;H03C7/02
主分类号
H01F19/04
代理机构
代理人
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地址
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