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发明名称
Strength-testing machine
摘要
申请公布号
US2330492(A)
申请公布日期
1943.09.28
申请号
US19400354438
申请日期
1940.08.27
申请人
JANSEN JOHN G
发明人
JANSEN JOHN G.
分类号
G07F17/04
主分类号
G07F17/04
代理机构
代理人
主权项
地址
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