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发明名称
INTERNAL SURFACE BEAD CUT CONDITION SUPERVISORY METHOD FOR SEAM WELDED PIPE
摘要
申请公布号
JPH06155133(A)
申请公布日期
1994.06.03
申请号
JP19920306838
申请日期
1992.11.17
申请人
NKK CORP
发明人
SATO YUJI;SATO AKIO
分类号
B21C37/30;B23D1/24;B23Q17/24;(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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