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发明名称
RETENTION AND DRAINAGE AID
摘要
申请公布号
GB8406900(D0)
申请公布日期
1984.04.18
申请号
GB19840006900
申请日期
1984.03.16
申请人
GRACE & CO, W R
发明人
分类号
C08C19/30;C08F8/44;D21H17/45;(IPC1-7):C08C19/32
主分类号
C08C19/30
代理机构
代理人
主权项
地址
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