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发明名称
Perfectionnement apporté aux sacs en papier de grande contenance fabriqués en plusieurs épaisseurs tels que les sacs dits <<ouverts>> ou à <<valve>> destinés à contenir du ciment ou autres produits
摘要
申请公布号
FR853834(A)
申请公布日期
1940.03.29
申请号
FRD853834
申请日期
1938.11.16
申请人
EMILE AVOT FILS & COMPAGNIE
发明人
分类号
B65D30/24
主分类号
B65D30/24
代理机构
代理人
主权项
地址
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