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经营范围
发明名称
TIG WELDING
摘要
申请公布号
JPS52155152(A)
申请公布日期
1977.12.23
申请号
JP19760072464
申请日期
1976.06.18
申请人
SUMITOMO METAL IND
发明人
YAMAUCHI NOBUYUKI;KOU TAKAO
分类号
B23K9/16;B23K9/167
主分类号
B23K9/16
代理机构
代理人
主权项
地址
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