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发明名称
Regenerating mechanism for water-softening zeolites
摘要
申请公布号
US1768711(A)
申请公布日期
1930.07.01
申请号
US19260144628
申请日期
1926.10.27
申请人
TRUST COMPANY THE NORTHERN
发明人
COMPANY THE NORTHERN TRUST
分类号
C02F1/42
主分类号
C02F1/42
代理机构
代理人
主权项
地址
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