OPENING DEVICE AND MAINTENANCE METHOD THEREFOR

PROBLEM TO BE SOLVED: To provide an opening device that includes a sliding door capable of freely sliding up and down along vertical materials and facilitates maintenance on the sliding door.SOLUTION: There is provided an opening device 1 including a frame body 2 formed of vertical materials and hor...

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Bibliographische Detailangaben
1. Verfasser: SENBON EIJIRO
Format: Patent
Sprache:eng ; jpn
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