Устройство для впуска и выпуска воздуха в шлюз кессона,申请号SU19320118805-传众专利搜索

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发明名称	Устройство для впуска и выпуска воздуха в шлюз кессона
摘要
申请公布号	SU33007(A1)	申请公布日期	1933.10.31
申请号	SU19320118805	申请日期	1932.11.19
申请人	GUSHSHO S.V.	发明人	GUSHSHO S.V.
分类号	E02D23/06	主分类号	E02D23/06
代理机构		代理人
主权项
地址

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