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发明名称
Procédé de fabrication de papiers peu perméables à l'air et imperméables aux matières grasses
摘要
申请公布号
FR871521(A)
申请公布日期
1942.04.29
申请号
FRD871521
申请日期
1941.04.15
申请人
ZELLSTOFFFABRIK WALDHOF
发明人
分类号
D21G9/00;D21H25/00
主分类号
D21G9/00
代理机构
代理人
主权项
地址
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