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发明名称
Perfectionnement à la fabrication du papier
摘要
申请公布号
FR813308(A)
申请公布日期
1937.05.31
申请号
FRD813308
申请日期
1936.02.04
申请人
发明人
RISLER GUSTAVE
分类号
D21F3/02;D21G1/00
主分类号
D21F3/02
代理机构
代理人
主权项
地址
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