MANUFACTURE OF SPIRALLY WELDED STEEL PIPE,申请号JP19780064426-传众专利搜索

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发明名称	MANUFACTURE OF SPIRALLY WELDED STEEL PIPE
摘要
申请公布号	JPS54155965(A)	申请公布日期	1979.12.08
申请号	JP19780064426	申请日期	1978.05.31
申请人	MITSUBISHI HEAVY IND LTD	发明人	OOMAE TAKASHI;WADA KOUICHI;HIROMOTO NOBUMI;MORIYA MUNEO;YAMASHITA AKIRA
分类号	B21C37/12	主分类号	B21C37/12
代理机构		代理人
主权项
地址

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