Emergency automobile horn sounder,申请号US19340742877-传众专利搜索

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发明名称	Emergency automobile horn sounder
摘要
申请公布号	US2156751(A)	申请公布日期	1939.05.02
申请号	US19340742877	申请日期	1934.09.06
申请人	COLLINS MARTIN M	发明人	COLLINS MARTIN M.
分类号	H01H21/26;H01H35/14	主分类号	H01H21/26
代理机构		代理人
主权项
地址

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