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Economics model showing stand

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Title:
Economics model showing stand
Author: SHEN FENG
Subjects: ADVERTISING ; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND,DEAF OR MUTE ; CRYPTOGRAPHY ; DIAGRAMS ; DISPLAY ; EDUCATION ; EDUCATIONAL OR DEMONSTRATION APPLIANCES ; GLOBES ; PHYSICS ; PLANETARIA ; SEALS
Description: The utility model discloses an economics model showing stand, which belongs to the technical field of economics model showing and comprises a bottom plate, a support column is rotatably connected to the center of the top of the bottom plate through a bearing, the top of the support column extends to the top of the bottom plate and is fixedly connected with a concave frame, and an electric push rod is fixedly connected to the bottom of an inner cavity of the concave frame. The telescopic end of the electric push rod is fixedly connected with a display board through a fixing block, the left side and the right side of the display board are slidably connected with the joint of an inner cavity of the concave frame, the right side of the bottom of the inner cavity of the concave frame is fixedly connected with a spring, the top of the spring is fixedly connected with a moving block, and the bottom of the moving block is fixedly connected with a pin rod; during use, the concave frame is rotated through the moving ha
Creation Date: 2022
Language: Chinese;English
Source: esp@cenet

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