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DE1222217B
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Large drawing table with cross-linked drawing boards
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US3137944A
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Copying mechanisms
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DE1107405B
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pantograph
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ES238716A3
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Improvements introduced in the support frames for drawing tables (Machine-translation by Google Translate, not legally binding)
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DE975786C
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Drawing head for drawing machines with basic adjustment
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DE1041400B
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Device for transferring the movement of the driving pin to the tool in copying and engraving machines
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DE1000714B
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Device for hanging drawing machines on drawing boards
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DE888581C
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Electric hand-held device in stick form, especially eraser
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DE911547C
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Perspective drawing device
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DE858781C
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Mechanical counter or odometer
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DE847421C
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Drawing machine
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DE820205C
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Drawing table
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DE801010C
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Small drawing table
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DE806289C
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Surface knife
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DE808619C
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Drawing board suspended from its stand by means of parallelogram rods
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DE910265C
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Ball bearings, especially for the rods of drawing machines
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DE870510C
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Attachment of the rule to the ruler holder of drawing machines
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DE810250C
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Drawing head for drawing machines
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DE806950C
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Device for hanging drawing machines on drawing boards
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DE944298C
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Drawing head for drawing machines
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