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经营范围
发明名称
Microscope
摘要
申请公布号
US2328211(A)
申请公布日期
1943.08.31
申请号
US19410386467
申请日期
1941.04.02
申请人
SPENCER LENS COMPANY
发明人
HARPER KENNARD W.;ROEDER ERWIN O.
分类号
G02B21/24
主分类号
G02B21/24
代理机构
代理人
主权项
地址
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