Orifice element for joints,申请号US19400359710-传众专利搜索

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发明名称	Orifice element for joints
摘要
申请公布号	US2249469(A)	申请公布日期	1941.07.15
申请号	US19400359710	申请日期	1940.10.04
申请人	MUELLER BRASS CO.	发明人	GRAY JOHN E.;PARKER WILLIAM M.
分类号	F16L41/02;F16L41/08	主分类号	F16L41/02
代理机构		代理人
主权项
地址

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