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US2782669A
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Mechanism for copy turning
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US2169135A
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Machine tool with hydraulic copying device
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GB511321A
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Improvements in hydraulic copying devices for lathes and other machine tools
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GB415645A
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Improvements in or relating to devices for planing helical teeth on bevel gear wheels
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US1636120A
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Shaping or planing machine for worm or screw shaped bevel wheel operating according to the development method
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US1460640A
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Method and machine for planing helical teeth, more particularly for bevel gears
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US1436938A
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Method of planing helical teeth, more particularly for bevel gears
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GB153026A
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An improved method of planing helical teeth, more particularly for bevel gears
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GB153025A
|
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Improvements in and relating to machines for planing bevel gear wheels with helical teeth
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GB153001A
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An improved method of planing helical teeth, more particularly for bevel gears
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