Air volume and pressure controlling device for water storage tanks,申请号US19530356776-传众专利搜索

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发明名称	Air volume and pressure controlling device for water storage tanks
摘要
申请公布号	US2674258(A)	申请公布日期	1954.04.06
申请号	US19530356776	申请日期	1953.05.22
申请人	M. L. KIRSCHBAUM AND ROBERT KIRSCHBAUM	发明人	WITTER MELVIN L.
分类号	F04D13/16;G05D16/10	主分类号	F04D13/16
代理机构		代理人
主权项
地址

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