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发明名称
METHOD AND DEVICE FOR EDGE PREPARATION AND FORMING END FACE OF STEEL PIPE WITH BACKING STRIP
摘要
申请公布号
JPH02133194(A)
申请公布日期
1990.05.22
申请号
JP19880284640
申请日期
1988.11.10
申请人
NAKAJIMA KOKAN KK
发明人
NAKAJIMA HIROSHI
分类号
B23K33/00
主分类号
B23K33/00
代理机构
代理人
主权项
地址
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