Method and apparatus for vacuum packaging,申请号US19870078445-传众专利搜索

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发明名称	Method and apparatus for vacuum packaging
摘要
申请公布号	US4796408(A)	申请公布日期	1989.01.10
申请号	US19870078445	申请日期	1987.07.27
申请人	W. R. GRACE & CO.	发明人	MOBARK, BENGT U.
分类号	B65B31/02;(IPC1-7):B65B11/52;B65B47/02;B65B47/10	主分类号	B65B31/02
代理机构		代理人
主权项
地址

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