Adjustable loading device for valves and the like,申请号US19480051798-传众专利搜索

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发明名称	Adjustable loading device for valves and the like
摘要
申请公布号	US2579218(A)	申请公布日期	1951.12.18
申请号	US19480051798	申请日期	1948.09.29
申请人	WALWORTH COMPANY	发明人	DEVENTER FRANK M. VAN
分类号	F16K17/30	主分类号	F16K17/30
代理机构		代理人
主权项
地址

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