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发明名称
PURIFICATION OF SOLIDS
摘要
申请公布号
CA643746(A)
申请公布日期
1962.06.26
申请号
CAD643746
申请日期
申请人
SHELL OIL COMPANY
发明人
RICHARD RIGBY
分类号
主分类号
代理机构
代理人
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地址
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