Rotary compressor or pump,申请号US19370125378-传众专利搜索

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发明名称	Rotary compressor or pump
摘要
申请公布号	US2097714(A)	申请公布日期	1937.11.02
申请号	US19370125378	申请日期	1937.02.12
申请人	AYRE CALVIN M	发明人	AYRE CALVIN M.
分类号	F04C18/44	主分类号	F04C18/44
代理机构		代理人
主权项
地址

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