Assignee

TECHNOLOGY UNION CO LTD

KR·1 granted patent·17 citations·filing 2000–2000

Technology mixB22C1 B22D1

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0176US6755238B1Disintegrative core for high pressure casting, method for manufacturing the same, and method for extracting the sameTECHNOLOGY UNION CO LTD·Filed 2000·Granted Jun 29, 2004·17 cites·24 claims

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