Assignee

SONG LINGYAN

US·1 granted patent·1 citations·filing 2012–2012

Technology mixC01B1 C30B1 F25J1 Y02C1

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1 record

0166US9114989B2Inert gas recovery and recycle for silicon crystal growth pulling processSONG LINGYAN·Filed 2012·Granted Aug 25, 2015·1 cites·18 claims

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