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Explore China Railway Construction Heavy Industry's recently opposed patents, revealing key competitive challenges and strategic patent disputes in the industry. Track oppositions filed by competitors to understand technology battlegrounds and assess potential risks.

Last updated on: Jul 3, 2025
Patent NumberGrant DateTitleTotal Oppositions
EP3854990Sep 27, 2023Main Drive High-Pressure Sealing System For Shield Machine And Slurry Balance Shield Machine1