International Patent: PARALLEL-TYPE TUNNELING EQUIPMENT USED FOR SYNCHRONOUS CONSTRUCTION OF TWO OR MORE PARALLEL TUNNELS, AND CONSTRUCTION METHOD

GENEVA, Sept. 24 -- NINGBO YONGGONG TECHNOLOGY CO., LTD. filed a patent application (CN2026/092958) for “PARALLEL-TYPE TUNNELING EQUIPMENT USED FOR SYNCHRONOUS CONSTRUCTION OF TWO OR MORE PARALLEL TUNNELS, AND CONSTRUCTION METHOD”. With publication no. WO/2026/195083, here are the other details related to the patent application:

Kind: Initial Publication with ISR [A1]

IPC: E21D 9/087

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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