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发明名称
Improvements in the stems of tobacco pipes and cigar and cigarette holders
摘要
申请公布号
GB635422(A)
申请公布日期
1950.04.12
申请号
GB19480009694
申请日期
1948.04.07
申请人
OSCAR TREYVAUD
发明人
分类号
A24F7/04
主分类号
A24F7/04
代理机构
代理人
主权项
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