US2239103A
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Headstock for machine tools, particularly grinding machines
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GB502640A
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Improvements in head-stocks for machine tools, particularly grinding machines
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GB492625A
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Improvements in surface grinding machines
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GB500576A
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Improvements in automatic grinding machines
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GB489193A
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Improvements in adjusting devices for machine tools, particularly for grinding machines
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GB461223A
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Improvements in devices for trueing grinding wheels
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GB466370A
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Improvements in surface grinding machines
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GB468867A
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Improvements in surface grinding machines
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GB463675A
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Improved apparatus for grinding end surfaces on the inside of ring-shaped bodies
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US2092215A
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Automatic internal grinding machine
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GB466566A
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Improvements in automatic internal grinding machines
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US1975899A
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Machine for grinding the inner surfaces of cylinders or the like
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GB386885A
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Machine for grinding the inner surfaces of cylinders, or the like
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GB395308A
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Improvements in or relating to zero-setting devices for gunsighting telescopes
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GB392001A
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Improvements in telescopic gun sights
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GB396484A
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Improvements in or relating to optical aiming devices for machine guns
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US1943387A
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Optical aiming-device for machine guns
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GB375764A
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Improvements in surface grinding machines
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US1893995A
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Bearing for accurately running shafts using ball bearings
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GB341820A
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Improvements in or relating to ball bearings
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