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发明名称
AGENT FOR CHEMICALLY SOFTENING WATER IN CIRCULATORY HEATING SYSTEMS
摘要
申请公布号
PL154991(B1)
申请公布日期
1991.10.31
申请号
PL19870268072
申请日期
1987.10.05
申请人
发明人
分类号
C02F;C02F5/14;C23F;C23F14/02;(IPC1-7):C02F5/14
主分类号
C02F
代理机构
代理人
主权项
地址
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