Invention Grant
US5408839A Refrigerant compressor 失效
制冷压缩机

Refrigerant compressor
Abstract:
A refrigerant compressor comprises an hermetic type casing. There is refrigerant circulating in the casing. A compression mechanism in the casing has a first and a second part. These parts are made of iron-based metal and nodular cast iron, respectively. The first and the second parts may be coupled slidably.
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