HELICAL UNEVEN METAL PIPE MANUFACTURING,申请号JP19760077838-传众专利搜索

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发明名称	HELICAL UNEVEN METAL PIPE MANUFACTURING
摘要
申请公布号	JPS534755(A)	申请公布日期	1978.01.17
申请号	JP19760077838	申请日期	1976.07.02
申请人	ITSUYUMI ISAO	发明人	ITSUYUMI ISAO
分类号	B21C37/15;B21C37/08;F16B37/02	主分类号	B21C37/15
代理机构		代理人
主权项
地址

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