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发明名称
Means for solvent extraction
摘要
申请公布号
US2997943(A)
申请公布日期
1961.08.29
申请号
US19570647239
申请日期
1957.03.20
申请人
INTERNATIONAL BASIC ECONOMY CORPORATION
发明人
ZIES CARL W.
分类号
B30B9/12
主分类号
B30B9/12
代理机构
代理人
主权项
地址
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