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Full Description
Includes preferred sizes, for circular and semi-circular protractors made from transparent plastics. Specifies qualities of suitable materials.
Cross References:
BS 3693:Part 1
Replaces BS 2457:1954.Product Details
Published: 01/31/1975 ISBN(s): 0580080897 Number of Pages: 8File Size: 1 file , 260 KB Product Code(s): 00099636, 00099636, 00099636 Note: This product is unavailable in United Kingdom