Форма выполнения многопоршневого насоса с гидравлической штангой для глубоких скважин по авторскому свидетельству № 32920,申请号SU19390021269-传众专利搜索

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发明名称	Форма выполнения многопоршневого насоса с гидравлической штангой для глубоких скважин по авторскому свидетельству № 32920
摘要
申请公布号	SU60037(A2)	申请公布日期	1940.11.30
申请号	SU19390021269	申请日期	1939.01.21
申请人	IOANNESYAN R.A.	发明人	IOANNESYAN R.A.
分类号	F04B49/02;F04B47/04	主分类号	F04B49/02
代理机构		代理人
主权项
地址

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