Automatic coolant and inert gas control for inert gas shielded welding,申请号US19520326068-传众专利搜索

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发明名称	Automatic coolant and inert gas control for inert gas shielded welding
摘要
申请公布号	US2717948(A)	申请公布日期	1955.09.13
申请号	US19520326068	申请日期	1952.12.15
申请人	THE RYAN AERONAUTICAL CO.	发明人	COCKREIL WILLIAM S.;HEYSER DONALD L.
分类号	B23K9/16	主分类号	B23K9/16
代理机构		代理人
主权项
地址

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