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The dimension and position of the holes of perforated paper tape for information processing exchange
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STANDARD published on 10.7.1980
Designation standards: GB/T 1990-1980
Note: WITHDRAWN
Publication date standards: 10.7.1980
SKU: NS-873764
Country: Chinese technical standard
Category: Technical standards GB
Latest update: 2026-06-10 (Number of items: 2 281 585)
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