Patent classifications
F
MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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F16
ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
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F16H
GEARING
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7/00
Gearings for conveying rotary motion by endless flexible members
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F16H7/08
Means for varying tension of belts, ropes or chains
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F16H7/0848
with means for impeding reverse motion
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F16H2007/0859
Check valves
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