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经营范围
发明名称
Perfectionnements à la soudure par fusion de tubes et tuyaux
摘要
申请公布号
FR985513(A)
申请公布日期
1951.07.19
申请号
FRD985513
申请日期
1949.02.21
申请人
SOCIETE FRANCAISE DES CONSTRUCTIONS BABCOCK ET WILCOX
发明人
分类号
B23K33/00
主分类号
B23K33/00
代理机构
代理人
主权项
地址
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