BALL LIFTING DEVICE
A ball lifting device of the present disclosure, which employs a spiral ball transporting method for smoothly moving a ball, can move along a free path, is easy to be installed and operated, and has excellent durability and strength. The ball lifting device can be installed indoors as well as outdoo...
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Main Authors | , , , |
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Format | Patent |
Language | English |
Published |
02.09.2021
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Subjects | |
Online Access | Get full text |
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