发明名称 PRESERVATION METHOD AND DEVICE FOR A COLLECTABLE ARTICLE
摘要 <p>A device (10) for preserving a collectable article is disclosed. The device includes front and back panel members (12, 14) at least partially defining a cavity (16) for receiving a collectable article (11). The device is formed for exposing the gaseous substance within the cavity to a desiccant. Additionally, an aspect of the present invention includes at least one spacing sheet (22) positioned between the panel members for adjusting the height of the cavity. Another aspect of the present invention includes at least one tab (28, 30) protruding into the cavity for positioning the collectable article therein to form a channel (26) around the article.</p>
申请公布号 WO1993018987(A1) 申请公布日期 1993.09.30
申请号 US1993002627 申请日期 1993.03.23
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