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GB853407A
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Electrically driven screw driver
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US2979089A
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Portable battery-energized screw driver
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US2858172A
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Guide means for three-dimensionally movable rods
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US2796806A
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Autoamtic tracer control
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GB779812A
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An arrangement for regulating the distance between two objects disposed at a variable distance one from the other
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DE732332C
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Process for the production of copy models and templates for copy milling machines u. like
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DE722758C
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Process for the production of copy models and templates for copy milling machines u. Like. Using synthetic resin
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GB502220A
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Improvements in and relating to three-dimensionally working engraving and copy milling machines
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GB501862A
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Improvements in three-dimensionally working engraving and copy milling machines
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CA640300A
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Electric screw driver
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