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Compass bigotera parallel tips for use draftsmen.
Compass bigotera parallel tips for use draftsmen.
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机译:指南针bigotera平行使用技巧绘图员。
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摘要
A bigotera compass parallel tips for use characterized draftsmen that is essentially formed by two arms constituted each by two connecting rods are articulated at fixed points of the head at one end and the other other also fixed points of the mouths ae fixing the compass points being the cranks forming each arm strictly equal.
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