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经营范围
发明名称
Viscosimeter
摘要
申请公布号
US2331284(A)
申请公布日期
1943.10.12
申请号
US19410402663
申请日期
1941.07.16
申请人
ROGCRS PRODUCTS CO., INC.
发明人
ALBERTINE HERMAN
分类号
G01N11/04
主分类号
G01N11/04
代理机构
代理人
主权项
地址
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