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发明名称
PROCESS OF PURIFYING WATER
摘要
申请公布号
CA313518(A)
申请公布日期
1931.07.21
申请号
CAD313518
申请日期
申请人
THE PERMUTIT COMPANY
发明人
KARL P. MCELROY
分类号
主分类号
代理机构
代理人
主权项
地址
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