Запорный вентиль с обтекаемым клапаном,申请号SU19410002838-传众专利搜索

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发明名称	Запорный вентиль с обтекаемым клапаном
摘要
申请公布号	SU63329(A1)	申请公布日期	1943.11.30
申请号	SU19410002838	申请日期	1941.03.12
申请人	BELYAEV A.A.	发明人	BELYAEV A.A.
分类号	F16K1/12	主分类号	F16K1/12
代理机构		代理人
主权项
地址

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