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发明名称
TOBACCO SMOKE FILTER ELEMENTS AND METHOD FOR THE PREPARATION THEREOF
摘要
申请公布号
CA689575(A)
申请公布日期
1964.06.30
申请号
CAD689575
申请日期
申请人
EASTMAN KODAK COMPANY
发明人
MELVIN R. HARGRAVE;PHARA L. COBB, JR.
分类号
主分类号
代理机构
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