HOT SEAM WELDED PIPE INNER SURFACE BEAD CUTTING MANDREL,申请号JP19880057583-传众专利搜索

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发明名称	HOT SEAM WELDED PIPE INNER SURFACE BEAD CUTTING MANDREL
摘要
申请公布号	JPH01234109(A)	申请公布日期	1989.09.19
申请号	JP19880057583	申请日期	1988.03.11
申请人	SUMITOMO METAL IND LTD	发明人	YASUMURA ICHIRO;KAKIHARA MORIYUKI;NISHIMOTO HIROJI;FUJIMOTO KUNIHARU
分类号	B23D1/24	主分类号	B23D1/24
代理机构		代理人
主权项
地址

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