Hand pump to remove air from plastics bag - has valved inner tube reciprocated inside valved outer tube,申请号CH19750007941-传众专利搜索

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发明名称	Hand pump to remove air from plastics bag - has valved inner tube reciprocated inside valved outer tube
摘要
申请公布号	CH585348(A5)	申请公布日期	1977.02.28
申请号	CH19750007941	申请日期	1975.06.18
申请人	MCCULLOCH, NORMA DORIS	发明人
分类号	F04B33/00;F04B39/00;(IPC1-7):04B33/00;65B31/04	主分类号	F04B33/00
代理机构		代理人
主权项
地址

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