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ISO 9180:1988 | 22 Sep 1988 | BSI Knowledge
Standard
ISO 9180:1988
Black leads for wood-cased pencils. Classification and diameters
Current
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Published:
22 Sep 1988
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Product Details
Descriptors
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ICS Codes
01.100.40 Drawing equipment
91.010.30 Technical aspects
Committee
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International relationships
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ISBN
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Publisher
ISO