GENEVA, Aug. 31 -- XIANGHANG (SHANGHAI) TECHNOLOGY CO., LTD. filed a patent application (CN2025/120757) for “MEDIUM-FREE HOLOGRAPHIC DEVICE FOR MUSICAL INSTRUMENTS AND CONTROL METHOD THEREFOR”. With publication no. WO/2026/174770, here are the other details related to the patent application:

Kind: Initial Publication with ISR [A1]

IPC: G10G 1/00

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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