Oil valve cleaning device for coal mine production
The utility model discloses an oil valve cleaning device for coal mine production, which relates to the technical field of coal mine production and comprises a motor A. A rotating shaft on one side of the motor A is fixedly connected with a protective plate, a connecting shaft is fixedly connected t...
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Main Authors | , , , , , , , |
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Format | Patent |
Language | Chinese English |
Published |
23.09.2022
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Subjects | |
Online Access | Get full text |
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