REMOVING METHOD FOR INSIDE BEAD OF WELDED STEEL PIPE AND DEVICE THEREFOR,申请号JP19920310992-传众专利搜索

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发明名称	REMOVING METHOD FOR INSIDE BEAD OF WELDED STEEL PIPE AND DEVICE THEREFOR
摘要
申请公布号	JPH06134613(A)	申请公布日期	1994.05.17
申请号	JP19920310992	申请日期	1992.10.26
申请人	SUMITOMO METAL IND LTD	发明人	SAKAE TATSUYA
分类号	B21C37/30;B21D3/02;B23D1/24;B23K37/08;(IPC1-7):B23D1/24	主分类号	B21C37/30
代理机构		代理人
主权项
地址

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