B28B 1/40

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Patent/Pub #TitleFiling DateIssue/Publication DatePatent Owner
9623585 Method for preparing graphite filmJan 22, 15Apr 18, 17JIAXING ZHONGYI CARBON TECHNOLOGY CO., LTD.
7108821 Method for making double-wall shells by centrifugingDec 10, 02Sep 19, 06Not available