发明名称 |
ALBUM POUR RANGER, MONTRER ET MANIPULER DES CLICHES TRANSPARENTS |
摘要 |
A mounting or book for storing, displaying and handling transparencies having at least two sheet sets, each set containing at least one sheet which is pivotally mounted in the book in a manner so that any single sheet can be separately displayed or superimposed upon a single sheet of a further set. At least one carrier frame has a set of sheets hinged to it at one or both edges so that any sheet from a set can be pivoted toward the center of the carrier. |
申请公布号 |
BE773498(A1) |
申请公布日期 |
1972.01.31 |
申请号 |
BE19710773498 |
申请日期 |
1971.10.05 |
申请人 |
ALMQVIST + WIKSELL FORLAG A.B., GAMLA BROGATAN, 26, 111 20 STOCKHOLM, (SUEDE), |
发明人 |
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分类号 |
G03B21/64;(IPC1-7):B42D/ |
主分类号 |
G03B21/64 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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