Combined ruler special for economic management

The utility model discloses a combined ruler special for economic management, including management combination chi main part, management combination main part comprises with lower base ruler angulation board and the crisscross last base ruler of mutually perpendicular, the back of angulation board i...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: GENG DIANMING, ZHOU LUQI
Format: Patent
Sprache:chi ; eng
Schlagworte:
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Beschreibung
Zusammenfassung:The utility model discloses a combined ruler special for economic management, including management combination chi main part, management combination main part comprises with lower base ruler angulation board and the crisscross last base ruler of mutually perpendicular, the back of angulation board is connected with crossing of last base ruler and lower base ruler through the rotation axis, it runs through all that the slide opening that is provided with is built -in to have a slider to go up base ruler and the positive middle part of base ruler down. The utility model discloses the holistic constitute and structure of combination chi has been improved for this combination chi structure is light and handy, and the design is simple pleasing to the eye, has the characteristic of using convenience and convenience, and drawing straight line, slash, curve, ellipse and round that can comfortable quick accuracy richen the service function of this combination chi, have improved economic management figure drawing's acc