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经营范围
发明名称
Nivelliergeraet
摘要
申请公布号
DE493516(C)
申请公布日期
1930.06.05
申请号
DE1928C041559D
申请日期
1928.06.05
申请人
FRIEDRICH CONRADT
发明人
分类号
G01C5/00
主分类号
G01C5/00
代理机构
代理人
主权项
地址
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