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经营范围
发明名称
Production of bisulphite liquor
摘要
申请公布号
US2042478(A)
申请公布日期
1936.06.02
申请号
US19340758580
申请日期
1934.12.21
申请人
THE DORR COMPANY, INC.
发明人
MILLER ALVAH L.;SHAFOR RALPH W.;DARBY GEORGE M.
分类号
D21C3/08
主分类号
D21C3/08
代理机构
代理人
主权项
地址
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