PRECISION VACUUM CONTROLLER,申请号USD3468341-传众专利搜索

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发明名称	PRECISION VACUUM CONTROLLER
摘要
申请公布号	US3468341(A)	申请公布日期	1969.09.23
申请号	USD3468341	申请日期	1964.11.19
申请人	BROUGHTON CORP.	发明人	DOUGLAS H. NEWCOMB;CHARLES B. NICHOLSON JR.
分类号	D21F1/48;D21G9/00;G05D16/06;(IPC1-7):F16K31/14;F16K31/36	主分类号	D21F1/48
代理机构		代理人
主权项
地址

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