Уравновешенный запорный клапан для железнодорожных гидроколонн,申请号SU19540450664-传众专利搜索

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发明名称	Уравновешенный запорный клапан для железнодорожных гидроколонн
摘要
申请公布号	SU101492(A1)	申请公布日期	1954.11.30
申请号	SU19540450664	申请日期	1954.01.04
申请人	DAVYDOV A.Z.	发明人	DAVYDOV A.Z.
分类号	B61K11/02;B61C8/00	主分类号	B61K11/02
代理机构		代理人
主权项
地址

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