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发明名称
Treatment chambers for ligno-cellulose material and the like
摘要
申请公布号
US2623820(A)
申请公布日期
1952.12.30
申请号
US19490088732
申请日期
1949.04.21
申请人
MESSING HJALMAR S
发明人
MESSING HJALMAR S.
分类号
D21C7/00
主分类号
D21C7/00
代理机构
代理人
主权项
地址
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