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发明名称
Improvements in or relating to the control of processes of which the rate of variation of the essential factor with respect to time varies with time
摘要
申请公布号
GB554145(A)
申请公布日期
1943.06.22
申请号
GB19420001640
申请日期
1942.02.07
申请人
NORTHERN ALUMINIUM COMPANY LIMITED;WILLIAM WILSON HORSBURGH
发明人
分类号
B01D37/04
主分类号
B01D37/04
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