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发明名称
TOBACCO SMOKE FILTER
摘要
申请公布号
CA871486(A)
申请公布日期
1971.05.25
申请号
CAD871486
申请日期
申请人
STAUFFER CHEMICAL COMPANY
发明人
GEORGE I. KLEIN
分类号
主分类号
代理机构
代理人
主权项
地址
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