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经营范围
发明名称
Projecting microscope
摘要
申请公布号
US1989691(A)
申请公布日期
1935.02.05
申请号
US19300497115
申请日期
1930.11.21
申请人
CLAY-ADAMS COMPANY, INC.
发明人
HIRT PAUL
分类号
G03B21/10
主分类号
G03B21/10
代理机构
代理人
主权项
地址
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