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发明名称
FLOATATION OF SHEET MATERIALS
摘要
申请公布号
CA913137(A)
申请公布日期
1972.10.24
申请号
CAD913137
申请日期
申请人
TEC SYSTEMS
发明人
JOHN W. FROST;JACK F. ECKELAERT;ROY E. DOWNHAM
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