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发明名称
Burette with variable capacity
摘要
申请公布号
US2660342(A)
申请公布日期
1953.11.24
申请号
US19490084775
申请日期
1949.04.01
申请人
HERMAN RUF
发明人
RUF HERMAN
分类号
A47G23/02;A61M5/315;B01L3/02;B01L9/00;B01L9/06
主分类号
A47G23/02
代理机构
代理人
主权项
地址
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