Interconnection and intercommunication structure between air columns

The utility model discloses an interconnecting and intercommunicating structure between air columns, which comprises a first air column and a second air column, the side wall of the first air column is provided with a first opening, the side wall of the second air column is provided with a second op...

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Bibliographische Detailangaben
1. Verfasser: SHI ZHENGBING
Format: Patent
Sprache:chi ; eng
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