A device for hindgas coverage in tube welding,申请号EP19930203497-传众专利搜索

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发明名称	A device for hindgas coverage in tube welding
摘要
申请公布号	EP0592055(B1)	申请公布日期	1996.12.18
申请号	EP19930203497	申请日期	1991.11.11
申请人	SCHNORRER, WALTER	发明人	SCHNORRER, WALTER
分类号	B23K9/16;B23K9/32;(IPC1-7):B23K9/16	主分类号	B23K9/16
代理机构		代理人
主权项
地址

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