Universal gas torch cutting machine,申请号US19490086433-传众专利搜索

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发明名称	Universal gas torch cutting machine
摘要
申请公布号	US2617644(A)	申请公布日期	1952.11.11
申请号	US19490086433	申请日期	1949.04.09
申请人	AIR REDUCTION COMPANY, INCORPORATED	发明人	HELMKAMP RICHARD F.
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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