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发明名称
Improvements relating to machines with free pistons of which a part at least of the energy is utilised to compress a gas, particularly to auto-generators of this kind
摘要
申请公布号
GB498610(A)
申请公布日期
1939.01.11
申请号
GB19370019805
申请日期
1937.07.16
申请人
RAUL PATERAS PESCARA
发明人
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主分类号
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