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经营范围
发明名称
Appareil pour vérifier la pose d'une marche d'un escalier.
摘要
申请公布号
CH307906(A)
申请公布日期
1955.06.30
申请号
CHD307906
申请日期
1953.05.04
申请人
PIERI,GIOVANNI
发明人
PIERI,GIOVANNI
分类号
E04F21/26
主分类号
E04F21/26
代理机构
代理人
主权项
地址
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