发明名称 |
Water treating apparatus |
摘要 |
|
申请公布号 |
US2295714(A) |
申请公布日期 |
1942.09.15 |
申请号 |
US19390268725 |
申请日期 |
1939.04.19 |
申请人 |
THE PERMUTIT COMPANY |
发明人 |
CLARK BRADFORD J. |
分类号 |
B01D21/00;C02F1/52 |
主分类号 |
B01D21/00 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
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