Projectors for film strip and miniature lantern slides (for educational use) and optical lanterns.
Document status: Active
Limits and fits for engineering-Limits and tolerances
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Limits and fits for engineering-Guide to limits and tolerances
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Limits and fits for engineering-Guide to the selection of fits in BS 1916:Part 1
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Limits and fits for engineering-Guide to the selection of fits in BS 1916-1
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Limits and fits for engineering-Recommendations for tolerances, limits and fits for large diameters
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Hacksaw blades-Specification for cutting performance
Document status: Active
