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发明名称
Collapsible lighting shield for tobacco pipes
摘要
申请公布号
US2592835(A)
申请公布日期
1952.04.15
申请号
US19470742430
申请日期
1947.04.18
申请人
JULES UNGAR
发明人
UNGAR JULES
分类号
A24F5/14
主分类号
A24F5/14
代理机构
代理人
主权项
地址
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