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经营范围
发明名称
Dropping funnel
摘要
申请公布号
US2462556(A)
申请公布日期
1949.02.22
申请号
US19470769805
申请日期
1947.08.21
申请人
WALTER ROSENTHAL
发明人
ROSENTHAL WALTER
分类号
B01L3/00;B01L3/02
主分类号
B01L3/00
代理机构
代理人
主权项
地址
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