发明名称 Laminate multimedia sampling device
摘要 A multiplicity of individual samples of various materials are provided from a single article comprising a spacer layer with a multiplicity of holes which expose a number of different samples on support surfaces. Not all of the samples are on the same support surface, the uppermost support surface having holes therein to allow access to samples on lower support surfaces.
申请公布号 US4805773(A) 申请公布日期 1989.02.21
申请号 US19880162897 申请日期 1988.03.02
申请人 MINNESOTA MINING AND MANUFACTURING COMPANY 发明人 SABONGI, GERBRAN J.
分类号 A45D40/00;(IPC1-7):B65D73/00 主分类号 A45D40/00
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