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发明名称
Discharge device for finely divided fibrous material from a pressure system
摘要
申请公布号
US2657131(A)
申请公布日期
1953.10.27
申请号
US19490095561
申请日期
1949.05.26
申请人
AMERICAN DEFIBRATOR, INC.
发明人
MESSING HJALMAR S.
分类号
D21C7/08
主分类号
D21C7/08
代理机构
代理人
主权项
地址
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