GENEVA, July 18 -- SINOSTEEL MAANSHAN GENERAL INSTITUTE OF MINING RESEARCH CO., LTD filed a patent application (CN2025/133422) for “METHOD FOR IMPROVING QUALITY OF UPWARD FAN-SHAPED DEEP HOLE BLASTING”. With publication no. WO/2026/148996, here are the other details related to the patent application:
Kind: Initial Publication with ISR [A1]
IPC: F42D 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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