VACUUM COMPENSATION VALVE,申请号GB19930006331-传众专利搜索

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发明名称	VACUUM COMPENSATION VALVE
摘要
申请公布号	GB9306331(D0)	申请公布日期	1993.05.19
申请号	GB19930006331	申请日期	1993.03.26
申请人	PITTMAN JAMES	发明人
分类号	A47L9/00	主分类号	A47L9/00
代理机构		代理人
主权项
地址

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