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经营范围
发明名称
Smoke diffuser for mouthpieces
摘要
申请公布号
US2649094(A)
申请公布日期
1953.08.18
申请号
US19510261413
申请日期
1951.12.13
申请人
BARBARA JACK L
发明人
BARBARA JACK L.
分类号
A24F7/00
主分类号
A24F7/00
代理机构
代理人
主权项
地址
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