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经营范围
发明名称
Improvements in and relating to the maintenance of beds of particulate solids at predetermined levels
摘要
申请公布号
GB596258(A)
申请公布日期
1947.12.31
申请号
GB19450019029
申请日期
1945.07.25
申请人
MICHAEL HENRY MILLER ARNOLD;ALBERT LOCKETT;HAROLD BERNARD WEBSTER PURTY;WILLIAM LEONARD SHORT;IMPERIAL CHEMICAL INDUSTRIES LIMITED
发明人
分类号
B01J8/24
主分类号
B01J8/24
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代理人
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