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发明名称
Procédé de régénération de pâte à papier
摘要
申请公布号
FR864331(A)
申请公布日期
1941.04.24
申请号
FRD864331
申请日期
1940.03.23
申请人
发明人
BERTRAND MAURICE F.
分类号
D21C5/02
主分类号
D21C5/02
代理机构
代理人
主权项
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