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DEVICE FOR UNDERSTANDING THE SPACE-PLANE RELATION IN THE THREE PROJECTION PLANES
DEVICE FOR UNDERSTANDING THE SPACE-PLANE RELATION IN THE THREE PROJECTION PLANES
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机译:理解三个投影平面中的空间平面关系的设备
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摘要
the invention relates to a device for understanding the relationship vizualirea space plan with proiectiilor geometric bodies on the three planes of projection.the device according to the invention,it is composed of some projection screens which is caught a support provided some rings by passing a bolt of which many people do say something some rods supporting a light.
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