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经营范围
发明名称
Taschenmikroskop
摘要
申请公布号
DE598977(C)
申请公布日期
1934.06.22
申请号
DENDATO020274D
申请日期
申请人
LUDWIG OHM
发明人
分类号
G02B21/00
主分类号
G02B21/00
代理机构
代理人
主权项
地址
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