Showing 1 - 20 results of 44 for search '"Smith, Roy H"', query time: 0.98s Refine Results  

Quenching apparatus

by SMITH ROY H
Year of Publication 15.01.1929
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Patent

Annealing furance

by SMITH ROY H
Year of Publication 24.01.1928
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Patent

Socket wrench

by SMITH ROY H
Year of Publication 16.01.1923
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Patent