| 发明名称 |
LABOUR SAVING WATE LIFTING SYSTEM WITH POWER SAVING VACUUM PUMP |
| 摘要 |
<p>PURPOSE:It is designed to improve the pumping efficiency at discharging the air content from the air-sealed low pressure container witha reciprocating pump of the construction not to receive the pressure difference of outer and inner pressure of the container as a resistance.</p> |
| 申请公布号 |
JPS5219313(A) |
申请公布日期 |
1977.02.14 |
| 申请号 |
JP19750095010 |
申请日期 |
1975.08.06 |
| 申请人 |
MINAMACHI HIDEO |
发明人 |
MINAMACHI HIDEO |
| 分类号 |
F04B27/08;F04B25/04;F04B37/16 |
主分类号 |
F04B27/08 |
| 代理机构 |
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代理人 |
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| 主权项 |
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| 地址 |
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