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发明名称
GAS SHIELDED STATE DETECTING METHOD AND DEVICE FOR GAS SHIELDED ARC WELDING
摘要
申请公布号
JPH04200977(A)
申请公布日期
1992.07.21
申请号
JP19900330673
申请日期
1990.11.30
申请人
YAMAGUCHIKEN
发明人
KOGA AKIO
分类号
B23K9/16;B23K9/095;B23K9/10
主分类号
B23K9/16
代理机构
代理人
主权项
地址
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