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经营范围
发明名称
Soudage par frottement
摘要
申请公布号
FR1532952(A)
申请公布日期
1968.07.12
申请号
FR19670116116
申请日期
1967.07.28
申请人
CATERPILLAR TRACTOR CO.
发明人
分类号
B23K20/12
主分类号
B23K20/12
代理机构
代理人
主权项
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