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经营范围
发明名称
Combination seal, drip tube, and dispensing unit
摘要
申请公布号
US2458106(A)
申请公布日期
1949.01.04
申请号
US19470752114
申请日期
1947.06.03
申请人
JOHN SHAW
发明人
SHAW JOHN
分类号
A61M5/162
主分类号
A61M5/162
代理机构
代理人
主权项
地址
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