Assignee
CHINA RAILWAY GENERAL RESOURCES TECH CO LTD
CN·2 granted patents·0 citations·filing 2023–2023
Top patents by PatentIndex Score
2 records- 0148US11717906B1Method for cutting side plates and end plates of scrapped railway boxcarCHINA RAILWAY GENERAL RESOURCES TECH CO LTD·Filed 2023·Granted Aug 8, 2023·0 cites·5 claims
- 0241US11878378B2Process for processing rotary tillage blade for dry farmland based on wasted steel railCHINA RAILWAY GENERAL RESOURCES TECH CO LTD·Filed 2023·Granted Jan 23, 2024·0 cites·6 claims
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