MANUFACTURE OF SPIRALLY WELDED PIPE,申请号JP19770140237-传众专利搜索

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发明名称	MANUFACTURE OF SPIRALLY WELDED PIPE
摘要
申请公布号	JPS5472752(A)	申请公布日期	1979.06.11
申请号	JP19770140237	申请日期	1977.11.22
申请人	KUBOTA LTD	发明人	SUZUKI SHIGERU
分类号	B21C37/12;B21D5/12	主分类号	B21C37/12
代理机构		代理人
主权项
地址

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