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US3952810A
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Slit trenching and cable laying device
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US3633292A
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Self-propelled loader
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Materials handling attachment for converting a tractor to an elevating grader
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Earth moving apparatus
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Earth materials handling apparatus
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Threaded pipe connection
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Transmission gear unit mounting
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US2800343A
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Separable coupling
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Road forming attachment for motor graders
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Separable coupling
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Snow blower attachment for road grader wings
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Attachment for crawler type tractor
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US2746310A
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Transmission gear unit mounting
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Dustproof hydraulic coupling
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Hydraulic coupler valve construction
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US2630930A
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Loader for tractors
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US2596948A
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Wagon hoist
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