DOUBLE OPENING BINDING TOOL

PROBLEM TO BE SOLVED: To provide a double opening binding tool in which side boards having binding pestles and binding tubes are easily and smoothly attached and detached, and are surely kicked out. SOLUTION: In the double opening binding tool, a substrate 1 fixed on the spine of a board has side bo...

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Bibliographische Detailangaben
1. Verfasser: NAGASE NORIYUKI
Format: Patent
Sprache:eng
Schlagworte:
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