作者: Frank Halbich
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摘要: A one-piece container formed as an injection molding preferably from polypropylene. The single piece is molded in preformed sections joined by thinner portions or parts of material which serve hinges, the being relatively moveable about these parts. are to constitute a along with closure for so that when moved joint complete cover formed. Preferably has inwardly extending flexible members on at least one section engage article within retain it position. particularly adapted use calculators.