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经营范围
发明名称
System of water purification and waste recovery
摘要
申请公布号
US2226532(A)
申请公布日期
1940.12.31
申请号
US19360070569
申请日期
1936.03.24
申请人
HAWLEY ENGINEERING CORPORATION
发明人
DEGENHARDT HOPE HAWLEY;HAWLEY VIRGINIA TAYLOR
分类号
C02F1/26
主分类号
C02F1/26
代理机构
代理人
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地址
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