Novel gate valve
The utility model discloses a novel gate valve which comprises an upper cover plate and a lower cover plate, the upper cover plate and the lower cover plate are both provided with feeding holes, the upper cover plate and the lower cover plate are the same in structure, an upper pressing plate and a...
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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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