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发明名称
PAPER WEBS CONTAINING FILLERS
摘要
申请公布号
GB1353015(A)
申请公布日期
1974.05.15
申请号
GB19700015274
申请日期
1970.03.31
申请人
WELWYN HALL RESEARCH ASSOCIATION
发明人
分类号
C01F11/18;D21H17/69;(IPC1-7):D21H3/78
主分类号
C01F11/18
代理机构
代理人
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