one-way valve

CN309906102SActive Publication Date: 2026-04-10YANG ZHOU SA MI TE JI XIE SHE BEI YOU XIAN GONG SI
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Designs(China)
Current Assignee / Owner
YANG ZHOU SA MI TE JI XIE SHE BEI YOU XIAN GONG SI
Filing Date
2025-07-22
Publication Date
2026-04-10

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Abstract

1. The name of the design product: one-way device. 2. The use of the design product: one-way rotation structure of pulley assembly used in rock climbing, rope descending or rescue process. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view 1.
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