COIN HOLDER

PURPOSE:To obtain a coin holder of a compact size and wide application by disposing recessed holes of diameters approximately the same with those of coins in a base plate of a thickness approximately the same with that of the coins, covering the back of the recessed hole with a backing material, and...

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Bibliographische Detailangaben
1. Verfasser: TANABE RYUICHI
Format: Patent
Sprache:eng
Schlagworte:
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