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发明名称
SEAM PART POSITION DETECTOR FOR SEAM WELDED STEEL PIPE
摘要
申请公布号
JPH04340403(A)
申请公布日期
1992.11.26
申请号
JP19910142468
申请日期
1991.05.16
申请人
SUMITOMO METAL IND LTD
发明人
NAGAO KATSUNORI;YAMADA AKIHIRO
分类号
G01B11/00;B23K9/127
主分类号
G01B11/00
代理机构
代理人
主权项
地址
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