CLASP AND SHOELACE INSERTION METHOD

To provide a clasp capable of further quickly tightening and loosening a shoelace and reducing a possibility of loosening the shoelace, and shoelace insertion method.SOLUTION: A clasp 10 comprises two cylindrical parts 1 each having an opening 13 at one end in the axial direction, a connecting shaft...

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Bibliographische Detailangaben
1. Verfasser: SAKASHITA MIKIO
Format: Patent
Sprache:eng ; jpn
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