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发明名称
GAS PURGING DEVICE FOR WELD PENETRATION BEAD
摘要
申请公布号
JPH11114670(A)
申请公布日期
1999.04.27
申请号
JP19970274748
申请日期
1997.10.07
申请人
TOSHIBA CORP
发明人
KONDOU NOBUAKI
分类号
G21B1/11;B23K9/00;B23K9/035;B23K9/127;B23K9/16;B23K37/00;G21B1/00;G21B1/17;(IPC1-7):B23K9/035
主分类号
G21B1/11
代理机构
代理人
主权项
地址
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