Boiler return and vacuum trap,申请号US19320624173-传众专利搜索

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发明名称	Boiler return and vacuum trap
摘要
申请公布号	US1922164(A)	申请公布日期	1933.08.15
申请号	US19320624173	申请日期	1932.07.23
申请人	KNEFEL STANLEY C	发明人	KNEFEL STANLEY C.
分类号	F22D11/06	主分类号	F22D11/06
代理机构		代理人
主权项
地址

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