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经营范围
发明名称
Dispositif de fixation de l'extrémité extérieure du spiral d'une pièce d'horlogerie à balancier et spiral.
摘要
申请公布号
CH284839(A)
申请公布日期
1952.08.15
申请号
CHD284839
申请日期
1949.07.14
申请人
ERISMANN,GERARD
发明人
ERISMANN,GERARD
分类号
G04B18/02
主分类号
G04B18/02
代理机构
代理人
主权项
地址
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