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经营范围
发明名称
Improvements in or relating to fluid-tight watches
摘要
申请公布号
GB329462(A)
申请公布日期
1930.05.22
申请号
GB19290011099
申请日期
1929.04.10
申请人
DITISHEIM & CIE, FABRIQUES VULCAIN & VOLTA
发明人
分类号
G04B37/08
主分类号
G04B37/08
代理机构
代理人
主权项
地址
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