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发明名称
DESCALING COMPOSITION
摘要
申请公布号
GB9027921(D0)
申请公布日期
1991.02.13
申请号
GB19900027921
申请日期
1990.12.21
申请人
D D D LIMITED
发明人
分类号
C02F5/10
主分类号
C02F5/10
代理机构
代理人
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地址
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