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发明名称
TOBACCO SMOKE FILTERS
摘要
申请公布号
CA826451(A)
申请公布日期
1969.11.04
申请号
CAD826451
申请日期
申请人
CELANESE CORPORATION
发明人
COLIN L. BROWNE
分类号
主分类号
代理机构
代理人
主权项
地址
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