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经营范围
发明名称
Hydrometer syringe
摘要
申请公布号
US2031025(A)
申请公布日期
1936.02.18
申请号
US19310525744
申请日期
1931.03.27
申请人
WILLARD STORAGE BATTERY COMPANY
发明人
ALTMAYER FRANK
分类号
G01N9/14
主分类号
G01N9/14
代理机构
代理人
主权项
地址
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