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经营范围
发明名称
Purification of water
摘要
申请公布号
US2897150(A)
申请公布日期
1959.07.28
申请号
US19570671325
申请日期
1957.07.11
申请人
TEXAS GULF SULPHUR COMPANY
发明人
BENCOWITZ ISAAC
分类号
C02F1/72
主分类号
C02F1/72
代理机构
代理人
主权项
地址
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