Safety valve for steam generators,申请号US19390253459-传众专利搜索

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发明名称	Safety valve for steam generators
摘要
申请公布号	US2198447(A)	申请公布日期	1940.04.23
申请号	US19390253459	申请日期	1939.01.28
申请人	KNORR-BREMSE AKTIENGESELLSCHAFT	发明人	WITTE FRIEDRICH
分类号	F16K17/08	主分类号	F16K17/08
代理机构		代理人
主权项
地址

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