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GB775225A
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Spanner
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US2774271A
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Lever-actuated, slidable jaw wrench
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GB736455A
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Improvements in or relating to connectors for joining wires to chains
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GB683398A
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Improvements in devices for measuring the depression of railway sleepers when rolling loads are passing over them
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DE824352C
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Device for raising tracks on metal sleepers by introducing gravel under the sleepers
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DE674382C
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Gear to achieve a lifting movement with increased final pressure
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DE599390C
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Rail fastening on wooden sleepers using sleeper screws
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