GENEVA, Oct. 9 -- KO WAI MACHINERY COMPANY LIMITED filed a patent application (CN2026/087734) for “NEW ENERGY CORE DRILLING RIG”. With publication no. WO/2026/208905, here are the other details related to the patent application:
Kind: Initial Publication with ISR [A1]
IPC: E21B 3/02
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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