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发明名称
Water treatment
摘要
申请公布号
US3061541(A)
申请公布日期
1962.10.30
申请号
US19570700219
申请日期
1957.12.02
申请人
PHILADELPHIA QUARTZ COMPANY
发明人
HENRY CLARENCE R.
分类号
C02F9/00
主分类号
C02F9/00
代理机构
代理人
主权项
地址
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