最終更新日:2025/11/20
A paper tape punch that does not produce little pieces of paper. Instead, the perforations are not completely cut out but the chads are permitted to remain attached to the perforated material (for example, tape)
. (U.S. Patent 2,255,794, filed May 20, 1939)
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chadless punch
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元となった辞書の項目
chadless punch
( plural )