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发明名称
Procédé et appareil pour la formation et le feutrage de nappes de fibres
摘要
申请公布号
FR854648(A)
申请公布日期
1940.04.19
申请号
FRD854648
申请日期
1939.05.12
申请人
SAINT-GOBAIN, CHAUNY & CIREY
发明人
分类号
C03B37/06
主分类号
C03B37/06
代理机构
代理人
主权项
地址
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