Air purge for water heaters,申请号US19320601394-传众专利搜索

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发明名称	Air purge for water heaters
摘要
申请公布号	US1918942(A)	申请公布日期	1933.07.18
申请号	US19320601394	申请日期	1932.03.26
申请人	WALLENE FRANK O	发明人	WALLENE FRANK O.
分类号	F24D19/08	主分类号	F24D19/08
代理机构		代理人
主权项
地址

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