TELEVISION VIEWER-PARTICIPATION DEVICE,申请号USD3462852-传众专利搜索

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发明名称	TELEVISION VIEWER-PARTICIPATION DEVICE
摘要
申请公布号	US3462852(A)	申请公布日期	1969.08.26
申请号	USD3462852	申请日期	1967.11.08
申请人	PAUL H. EMERSON	发明人	PAUL H. EMERSON
分类号	G09B9/16;H04N5/64;H04N5/65;(IPC1-7):G09B1/00;A63H33/00	主分类号	G09B9/16
代理机构		代理人
主权项
地址

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