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经营范围
发明名称
ONE SIDE SUBMERGED ARC WELDING METHOD
摘要
申请公布号
JPS55128379(A)
申请公布日期
1980.10.04
申请号
JP19790035795
申请日期
1979.03.24
申请人
HITACHI SHIPBUILDING ENG CO
发明人
MIYAZAKI TATEO
分类号
B23K9/18
主分类号
B23K9/18
代理机构
代理人
主权项
地址
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