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发明名称
AUTOMATIC WELDING DEVICE FOR VALVE SEAT OF SLUICE VALVE, CHECK VALVE OR THE LIKE
摘要
申请公布号
JPH04253569(A)
申请公布日期
1992.09.09
申请号
JP19910031598
申请日期
1991.01.30
申请人
TOUA BARUBU KK
发明人
OMURA JUN
分类号
B23K9/00;B23K9/095;F16K43/00
主分类号
B23K9/00
代理机构
代理人
主权项
地址
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