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发明名称
METHOD AND APPARATUS FOR GAS SHIELDED WELDING AND GAS SHIELDED WELDING TORCH
摘要
申请公布号
JPS5499046(A)
申请公布日期
1979.08.04
申请号
JP19780005273
申请日期
1978.01.23
申请人
HITACHI LTD
发明人
SATOU AKIRA;WACHI HIROSHI;OGURA SATOSHI;ASHITA EIJI
分类号
B23K9/29;B23K9/12
主分类号
B23K9/29
代理机构
代理人
主权项
地址
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