Liquid seal between spaces in which different pressures prevail,申请号US19280291409-传众专利搜索

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发明名称	Liquid seal between spaces in which different pressures prevail
摘要
申请公布号	US1772476(A)	申请公布日期	1930.08.12
申请号	US19280291409	申请日期	1928.07.09
申请人	SIEMENSSCHUCKERTWERKE AKTIENGESELLSCHAFT	发明人	ALTENKIRCH EDMUND
分类号	F16J15/40;F25B15/00	主分类号	F16J15/40
代理机构		代理人
主权项
地址

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