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发明名称
DRAINAGE FOIL PAPER-MAKING APPARATUS
摘要
申请公布号
GB1477602(A)
申请公布日期
1977.06.22
申请号
GB19750001186
申请日期
1975.01.10
申请人
CORBELLINI G
发明人
分类号
D21F1/52;D21F1/00;D21F1/38;D21F1/48;(IPC1-7):D21F1/48
主分类号
D21F1/52
代理机构
代理人
主权项
地址
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