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发明名称
MANUFACTURE OF RESISTANCE WELDED PIPE
摘要
申请公布号
JPS6418587(A)
申请公布日期
1989.01.23
申请号
JP19870175267
申请日期
1987.07.14
申请人
TOSHIBA CORP
发明人
MASUDA KOJI
分类号
B23K13/02;C21D9/50
主分类号
B23K13/02
代理机构
代理人
主权项
地址
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