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经营范围
发明名称
WIRED BROADCASTING SYSTEMS
摘要
申请公布号
US3594496(A)
申请公布日期
1971.07.20
申请号
USD3594496
申请日期
1969.03.10
申请人
COMMUNICATIONS PATENTS LTD.
发明人
GABRIEL RALPH PARTON
分类号
H04H20/77;H04N7/10;(IPC1-7):H04N9/02;H04N5/04
主分类号
H04H20/77
代理机构
代理人
主权项
地址
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