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发明名称
Kredsproces til Behandling af sulfidholdigt Materiale med Jærn som Hovedmetal.
摘要
申请公布号
DK46841(C)
申请公布日期
1933.01.30
申请号
DKD46841
申请日期
1928.08.30
申请人
MINEINGENIOER GEORGE WYNTER GRAY;STANLEY ISAAC LEVY
发明人
MINEINGENIOER GEORGE WYNTER GRAY;STANLEY ISAAC LEVY
分类号
主分类号
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代理人
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