DEVICE FOR BACKING MELTING RESERVOIR IN FIRST LAYER WELDING,申请号JP19810007326-传众专利搜索

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发明名称	DEVICE FOR BACKING MELTING RESERVOIR IN FIRST LAYER WELDING
摘要
申请公布号	JPS56105894(A)	申请公布日期	1981.08.22
申请号	JP19810007326	申请日期	1981.01.22
申请人	SAIPEM SPA	发明人	FUERUNANDO RINARUDEI
分类号	B23K37/06;B23K9/035;B23K37/04;B23K37/053	主分类号	B23K37/06
代理机构		代理人
主权项
地址

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