REFRIGERATION EVACUATING PUMPS.

被引：0

作者：

Delphos, William

机构：

来源：

Heating and Air Conditioning Journal | 1980年 / 50卷 / 577期

关键词：

REFRIGERATION;

D O I：

暂无

中图分类号：

学科分类号：

摘要：

Developments in vacuum pump technology are outlined. Information is presented on the improvements that have also brought about changes in evacuation procedures and pump maintenance.

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页码：14 / 17

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1984, (38):
[32] SIZING SUBMERSIBLE PUMPS.
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[37] SOLAR ASSISTED HEAT PUMPS.
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[40] Deep fountains centrifugal pumps.
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