Assignee
BEIJING ZHONGKAIHONGDE TECH CO LTD
CN·0 granted patents·2 pending applications·0 citations·filing 2017–2017
Top patents by PatentIndex Score
2 records- 0143US2019161816A1Smelting method for metallurgical electric-furnaceBEIJING ZHONGKAIHONGDE TECH CO LTD·Filed 2017·Application pending·0 cites
- 0239US2019170443A1Circular Electric Furnace, and Electrode Arrangement Structure ThereofBEIJING ZHONGKAIHONGDE TECH CO LTD·Filed 2017·Application pending·0 cites
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