Positive displacement pump of the constant delivery type,申请号US19330689595-传众专利搜索

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发明名称	Positive displacement pump of the constant delivery type
摘要
申请公布号	US2022207(A)	申请公布日期	1935.11.26
申请号	US19330689595	申请日期	1933.09.15
申请人	KRATZER HERBERT J	发明人	KRATZER HERBERT J.
分类号	F04C2/352	主分类号	F04C2/352
代理机构		代理人
主权项
地址

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