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经营范围
发明名称
Procédé de soudure de tubes en acier sur une plaque tubulaire de réchauffeur
摘要
申请公布号
FR1470415(A)
申请公布日期
1967.02.24
申请号
FR19660045791
申请日期
1966.01.13
申请人
发明人
MARCHEIX MARCEL
分类号
B23K9/028
主分类号
B23K9/028
代理机构
代理人
主权项
地址
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