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发明名称
Perfectionnements aux vannes
摘要
申请公布号
FR1015690(A)
申请公布日期
1952.10.17
申请号
FRD1015690
申请日期
1950.03.02
申请人
SOCIETE FRANCAISE DES CONSTRUCTIONS BABCOCK ET WILCOX
发明人
分类号
F23K3/00
主分类号
F23K3/00
代理机构
代理人
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地址
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