Blowpipe nozzle for thermochemically forming a groove in a ferrous metal body,申请号US19390254205-传众专利搜索

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发明名称	Blowpipe nozzle for thermochemically forming a groove in a ferrous metal body
摘要
申请公布号	US2258456(A)	申请公布日期	1941.10.07
申请号	US19390254205	申请日期	1939.02.02
申请人	OXWELD ACETYLENE COMPANY	发明人	JONES EVERETT P.
分类号	F23D14/54	主分类号	F23D14/54
代理机构		代理人
主权项
地址

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