Airtight feeding device
The utility model relates to a chemical industry pharmacy technical field, and disclose an airtight feeding device, the rain cover comprises a cover body, the upper surface of the cover body is fixedrespectively to peg graft has intake pipe and blast pipe, the inside of intake pipe and blast pipe co...
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Main Authors | , |
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Format | Patent |
Language | Chinese English |
Published |
11.01.2019
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Subjects | |
Online Access | Get full text |
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