Multiple signaling system,申请号US19320640429-传众专利搜索

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发明名称	Multiple signaling system
摘要
申请公布号	US2071060(A)	申请公布日期	1937.02.16
申请号	US19320640429	申请日期	1932.10.31
申请人	THE GAMEWELL COMPANY	发明人	BRIDGES FRANK R.
分类号	H04M11/04	主分类号	H04M11/04
代理机构		代理人
主权项
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