GENEVA, June 24 -- AVIC HARBIN AIRCRAFT INDUSTRY GROUP CO., LTD filed a patent application (CN2025/133790) for “HYDRAULIC RETRACTION AND EXTENSION DEVICE FOR SKI-EQUIPPED AIRCRAFT”. With publication no. WO/2026/113909, here are the other details related to the patent application:
Kind: Initial Publication with ISR [A1]
IPC: B64C 25/22
Notably, the patent application was submitted under the International Patent Classification (IPC) system, which is managed by the World Intellectual Property Organization (WIPO).
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