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发明名称
고품질의 샤못트와 합성 물라이트 제조에 있어서 저품질 고령토를 사용하기 위한 품질 개량 및 이를 공업적으로 용이하게 사용하는 방법
摘要
<p>내용 없음</p>
申请公布号
KR830008927(A)
申请公布日期
1983.12.16
申请号
KR19820000257
申请日期
1982.01.22
申请人
황규덕
发明人
황규덕
分类号
主分类号
代理机构
代理人
主权项
地址
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