Showing 1 - 20 results of 146 for search '"ROBERTS; JAMES F"', query time: 1.16s Refine Results  

Rotary machine

by ROBERTS JAMES F
Year of Publication 10.01.1928
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Patent

Rotor

by ROBERTS JAMES F
Year of Publication 10.01.1928
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Patent

ROTOR

by JAMES F. ROBERTS
Year of Publication 09.03.1926
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Patent

Rotor

by ROBERTS JAMES F
Year of Publication 12.08.1924
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Patent