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发明名称
摘要
申请公布号
DE2042254(A1)
申请公布日期
1971.03.04
申请号
DE19702042254
申请日期
1970.08.26
申请人
发明人
分类号
C02F1/68;C02F1/76;(IPC1-7):E04H3/20
主分类号
C02F1/68
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代理人
主权项
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