Disc dispenser and element thereof
作者： Nicholas J Menolasino , Menolasino Dominic
DOI:
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摘要:
lens.org 参考文章(4)
Oliver Doris, Finger nail polish removing tool ,(1957)
Marsh Roger, Apparatus for handling disks for powder-actuated tools ,(1954)
Vincent A Stabile, Device for dispensing stacked retaining rings ,(1952)
Joel T Rice, Button-sewing machine ,(1920)