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ㆍCategory · International
ㆍ특허자 · Sung, Hyung-Jin, Choi, Jung-Il
ㆍ특허명칭 · Apparatus for Preparing a Single Crystal of Silicon
ㆍ등록일자 · 1998. 10. 6
ㆍ등록처(국가) · United States of America
ㆍ상태 · 출원