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发明名称
Bottle closure and liquid dropper
摘要
申请公布号
US1843812(A)
申请公布日期
1932.02.02
申请号
US19310514167
申请日期
1931.02.07
申请人
DYKEMA TUNIS J
发明人
DYKEMA TUNIS J.
分类号
B01L3/02
主分类号
B01L3/02
代理机构
代理人
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