发明名称 Mechanical calculator for conversion of monetary units
摘要 The equipment consists of a box (1) with a base (2) and lid (3) which may rotate about a pivot (8) which is also used to secure keys (9). The lid (3) houses a disk (4) which protrudes slightly to facilitate turning. This has parking timing data on one side and monetary conversion data on the other side, which are visible through windows with lenses (7). The base (2) includes housings (10) for supermarket trolley tokens (5).
申请公布号 FR2779845(A3) 申请公布日期 1999.12.17
申请号 FR19980007482 申请日期 1998.06.11
申请人 NILSA JACQUES 发明人
分类号 G06G1/00;G06G1/08 主分类号 G06G1/00
代理机构 代理人
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