Vibratory device,申请号US19310519970-传众专利搜索

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法人/股东/高管

发明名称	Vibratory device
摘要
申请公布号	US1882400(A)	申请公布日期	1932.10.11
申请号	US19310519970	申请日期	1931.03.04
申请人	PIERCE	发明人	PIERCE GEORGE WASHINGTON;BUCKINGHAM STEPHEN ALVORD
分类号	H04R15/00	主分类号	H04R15/00
代理机构		代理人
主权项
地址

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