Fermetures étanches pour appareils sous pression,申请号FRD938405-传众专利搜索

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发明名称	Fermetures étanches pour appareils sous pression
摘要
申请公布号	FR938405(A)	申请公布日期	1948.09.15
申请号	FRD938405	申请日期	1946.04.03
申请人	SOCIETE FRANCAISE DES CONSTRUCTIONS BABCOCK & WILCOX	发明人
分类号	F16L45/00;F28F11/00	主分类号	F16L45/00
代理机构		代理人
主权项
地址

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