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发明名称
Pièce d'horlogerie comprenant un cadran et un boîtier, permettant la lecture de l'heure dans l'obscurité.
摘要
申请公布号
CH297901(A)
申请公布日期
1954.04.15
申请号
CHD297901
申请日期
1951.08.08
申请人
DESFOURNEAUX,EUGENE
发明人
DESFOURNEAUX,EUGENE
分类号
G04B19/32
主分类号
G04B19/32
代理机构
代理人
主权项
地址
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