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发明名称
Illuminated testing device
摘要
申请公布号
US2250084(A)
申请公布日期
1941.07.22
申请号
US19400344812
申请日期
1940.07.10
申请人
SCHIECK RAYMOND R
发明人
SCHIECK RAYMOND R.
分类号
G01N21/88
主分类号
G01N21/88
代理机构
代理人
主权项
地址
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