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US3805421A
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Yieldable impeller for two-stage snow blower
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US3789684A
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Air cooled shuttle clutch transmission
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US3766722A
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Reversing shuttle transmission
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US3731557A
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Planetary transmission
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US3731472A
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Rotary mower spindle brake
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US3762233A
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Clutch
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US3780455A
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Snowblower discharge spout with air inlet means
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Cooling arrangement
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US3528323A
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Differential transmission for coaxial axle shafts with means to frictionally resist relative rotation therebetween
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US3457714A
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Mowing apparatus with rotary cutters
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