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DE836896C
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Character head
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DE690557C
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Drawing head for drawing machines
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DE676056C
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Drafting table lamp with counterbalancing spring
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DE653354C
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A fastening device for planimeters that can be clamped to a guide arm of drawing machines
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DE657803C
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Adjustable drawing table with friction lock
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DE617257C
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Adjustment device for drawing heads on parallelogram drawing devices
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DE594174C
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Drawing table with differential gear and parallelogram drawing device
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DE591791C
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Weight compensation for the parallel guide arms of parallelogram drawing devices
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DE575169C
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Locking device for drawing heads of parallel drawing devices
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DE544968C
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Auxiliary ruler for parallelogram drawing devices
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DE564773C
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Drawing table
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DE493187C
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Ball bearings for parallelogram drawing devices
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DE599036C
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Parallelogram drawing device
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DE530717C
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Lighting device for parallelogram drawing devices
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DE459584C
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Drawing ruler with transparent support
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DE465198C
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Anchor bracket for parallelogram drawing devices
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DE424161C
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Locking device for character heads
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DE595182C
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Switching mechanism of sign heads
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DE652613C
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Lock for drawing tables
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DE484724C
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Weight rail for parallelogram drawing devices with weight compensation by a counterweight
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