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经营范围
发明名称
Improvements in and relating to smoke filter wads
摘要
申请公布号
GB639919(A)
申请公布日期
1950.07.05
申请号
GB19480008884
申请日期
1948.03.25
申请人
HUGO BUNZL
发明人
分类号
A24D3/02
主分类号
A24D3/02
代理机构
代理人
主权项
地址
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