Plug valve saddle,申请号US19560579377-传众专利搜索

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发明名称	Plug valve saddle
摘要
申请公布号	US2983477(A)	申请公布日期	1961.05.09
申请号	US19560579377	申请日期	1956.04.19
申请人	M. B. SKINNER COMPANY	发明人	MERRILL PATTERSON D.
分类号	F16K3/28;F16L41/06	主分类号	F16K3/28
代理机构		代理人
主权项
地址

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