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经营范围
发明名称
Viscosimeter
摘要
申请公布号
US1934739(A)
申请公布日期
1933.11.14
申请号
US19320590399
申请日期
1932.02.02
申请人
RULE JR HOWARD C
发明人
JR. HOWARD C. RULE,
分类号
G01N11/10
主分类号
G01N11/10
代理机构
代理人
主权项
地址
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