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经营范围
发明名称
Viscosimeter
摘要
申请公布号
US1780952(A)
申请公布日期
1930.11.11
申请号
US19270222373
申请日期
1927.09.27
申请人
HERCULES POWDER COMPANY
发明人
SYMMES ERNEST M.
分类号
G01N11/12
主分类号
G01N11/12
代理机构
代理人
主权项
地址
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