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Hard, y H.W.

Overview
Works: 3 works in 0 publications in 0 languages
Titles
Compound Change Gear & Indexing Problems by: Hard, y H.W. (Language materials, printed)
Machine--Tool Slides and Sliding Elements by: Hard, y H.W. (Language materials, printed)
Planetary Gearing(Design and Efficiency) by: Hard, y H.W. (Language materials, printed)
 
 
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