GB1096469A
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Control mechanism for engine combined with infinitely variable gear
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GB929725A
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Automatic chain tightening mechanism for infinitely variable cone pulley gears
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GB935944A
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Improvements in and relating to apparatus for infinitely varying the speeds of of two shafts
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GB925628A
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Improvements in or relating to means for automatically regulating the driving power and/or driving torque of variably driven machines and like loads
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GB857085A
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Improvements in or relating to variable-speed gears
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GB797312A
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An improved transmission chain for conical or v-type pulleys
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US2853886A
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Metal chains
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GB780258A
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Improvements in infinitely variable speed transmission gears
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GB530064A
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Improvements in and relating to metal driving chains, the links of which have a plurality of link plates
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GB487543A
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Improvements in or relating to driving gear chains with wedgeshaped links
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