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发明名称
Retention system
摘要
申请公布号
GB9905400(D0)
申请公布日期
1999.05.05
申请号
GB19990005400
申请日期
1999.03.09
申请人
ASSOCIATED OCTEL COMPANY, THE LIMITED
发明人
分类号
C02F1/52;D21H13/48;D21H21/10
主分类号
C02F1/52
代理机构
代理人
主权项
地址
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