Mine timber hoisting device
The utility model discloses a mine timber hoisting device which comprises a support and a steel wire rope, the upper end of a bottom plate of the support is fixedly connected with a top supporting oil cylinder, the top end of the top supporting oil cylinder is fixedly connected with a top receiving...
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Main Authors | , , , |
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Format | Patent |
Language | Chinese English |
Published |
11.02.2022
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Subjects | |
Online Access | Get full text |
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