| 发明名称 |
Level actuated apparatus for delivering chemicals |
| 摘要 |
An apparatus for metering a small, measured amount of liquid chemicals, actuated by the effect of a cycling fluid level upon an air pump chamber connected to a chamber containing soluble, solid chemicals.
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| 申请公布号 |
US4064572(A) |
申请公布日期 |
1977.12.27 |
| 申请号 |
US19760687833 |
申请日期 |
1976.05.19 |
| 申请人 |
SHELL OIL COMPANY |
发明人 |
WICKS, III, MOYE;KUBITSCHEK, HANS E.;KING, WILLIAM E. |
| 分类号 |
E03D9/03;(IPC1-7):E03D9/03 |
主分类号 |
E03D9/03 |
| 代理机构 |
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代理人 |
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