Speed control for motive devices,申请号US19420433780-传众专利搜索

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发明名称	Speed control for motive devices
摘要
申请公布号	US2442013(A)	申请公布日期	1948.05.25
申请号	US19420433780	申请日期	1942.03.07
申请人	NATIONAL CYLINDER GAS COMPANY	发明人	MOTT CHESTER;CHOUINARD ALFRED F.;HARDING ROBERT L.
分类号	B23K7/00	主分类号	B23K7/00
代理机构		代理人
主权项
地址

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