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发明名称
Observation slide
摘要
申请公布号
US3031924(A)
申请公布日期
1962.05.01
申请号
US19590798907
申请日期
1959.03.12
申请人
LAMAL JAMES C
发明人
LAMAL JAMES C.
分类号
G02B21/34
主分类号
G02B21/34
代理机构
代理人
主权项
地址
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