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经营范围
发明名称
Perfectionnements aux chaudières à vapeur tubulaires
摘要
申请公布号
FR941597(A)
申请公布日期
1949.01.14
申请号
FRD941597
申请日期
1946.04.02
申请人
SOCIETE FRANCAISE DES CONSTRUCTIONS BABCOCK & WILCOX
发明人
分类号
F22B31/04;F22D7/00
主分类号
F22B31/04
代理机构
代理人
主权项
地址
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