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经营范围
发明名称
BUTT WELDED JOINTS
摘要
申请公布号
JPS52150758(A)
申请公布日期
1977.12.14
申请号
JP19760068388
申请日期
1976.06.11
申请人
SUMITOMO LIGHT METAL IND
发明人
SUGIYAMA SADAHIKO;NANBA KEIZOU;OOBA SATORU
分类号
B23K9/23;B23K9/035;B23K33/00
主分类号
B23K9/23
代理机构
代理人
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地址
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