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经营范围
发明名称
Cigarette shield
摘要
申请公布号
US2471116(A)
申请公布日期
1949.05.24
申请号
US19450579035
申请日期
1945.02.21
申请人
NEWBERGER MICHAEL P
发明人
NEWBERGER MICHAEL P.
分类号
A24D1/12
主分类号
A24D1/12
代理机构
代理人
主权项
地址
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