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发明名称
摘要
申请公布号
DE2063614(A1)
申请公布日期
1971.07.01
申请号
DE19702063614
申请日期
1970.12.23
申请人
CALGON CORP
发明人
分类号
C02F1/72;(IPC1-7):C02C5/02
主分类号
C02F1/72
代理机构
代理人
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