Petroleum machinery protection device
The utility model discloses a petroleum machinery protection device. The device relates to the technical field of oil exploitation and comprises a bottom plate, supporting plates are fixedly connectedto the left side and the right side of the upper surface of the bottom plate, sliding grooves are fo...
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Main Authors | , , , , |
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Format | Patent |
Language | Chinese English |
Published |
26.11.2019
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Subjects | |
Online Access | Get full text |
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