GEOMETRY STUDYING DEVICE Russian patent published in 1994 - IPC

Abstract RU 2010343 C1

FIELD: teaching aides manufacturing. SUBSTANCE: geometry studying device has plate and ribs with holes to install and to fasten bars simulating rectangular coordinate system and geometrical space figures. Bars has fixing aids and connecting elements made like pin-hole jointing placed at its ends. EFFECT: device gives possibility to demonstrate pictorially coordinates system space structure and method of it using. 8 dwg

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RU 2 010 343 C1

Authors

Klompus Grigorij Jaakobovich

Dates

1994-03-30—Published

1987-03-24—Filed