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发明名称
DIFFERENTIAL RATE SCREENING
摘要
申请公布号
EP0094741(A3)
申请公布日期
1985.08.21
申请号
EP19830302020
申请日期
1983.04.11
申请人
PENN VIRGINIA CORPORATION
发明人
HAHN, WILLIAM F.;MCADAMS, HIRAMIE T.;TALLEY, ROBERT L.
分类号
B07B9/00;B07B13/18;(IPC1-7):B07B9/00
主分类号
B07B9/00
代理机构
代理人
主权项
地址
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