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发明名称
Perfectionnements apportés aux mires pour nivellement
摘要
申请公布号
FR1021730(A)
申请公布日期
1953.02.23
申请号
FRD1021730
申请日期
1950.07.10
申请人
发明人
GEFFROY GEORGES-AUGUSTE
分类号
G01C15/06
主分类号
G01C15/06
代理机构
代理人
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