Water level control device,申请号US19460647744-传众专利搜索

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发明名称	Water level control device
摘要
申请公布号	US2552823(A)	申请公布日期	1951.05.15
申请号	US19460647744	申请日期	1946.02.15
申请人	THE MURRAY CORPORATION OF AMERICA	发明人	TEA CLARK A.
分类号	G05D9/12	主分类号	G05D9/12
代理机构		代理人
主权项
地址

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