Novel anti-theft door buffering structure

The utility model discloses a novel security door buffer structure, relates to security door field, including door closer main part and piston rod, the outside of door closer main part is provided with the dustproof mechanism, the dustproof mechanism includes the fixed ring, the inside of fixed ring...

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Bibliographic Details
Main Authors HU XIAOJUN, HUA LIANGLIANG, ZHI SHENGCONG
Format Patent
LanguageChinese
English
Published 17.10.2023
Subjects
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