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发明名称
Instrument for measuring elongation
摘要
申请公布号
US2297394(A)
申请公布日期
1942.09.29
申请号
US19400313619
申请日期
1940.01.12
申请人
OTTO DIETRICH
发明人
DIETRICH OTTO
分类号
G01B5/30
主分类号
G01B5/30
代理机构
代理人
主权项
地址
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