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发明名称
METHOD FOR JOINING BAND STEELS FOR RESISTANCE WELDED TUBE
摘要
申请公布号
JPH0433776(A)
申请公布日期
1992.02.05
申请号
JP19900140794
申请日期
1990.05.29
申请人
SUMITOMO METAL IND LTD
发明人
NISHIKADO TORU
分类号
B23K9/00;B21B1/26;B21B15/00;B21C37/083;B23K9/025;B23K9/173;B23K37/02
主分类号
B23K9/00
代理机构
代理人
主权项
地址
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