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经营范围
发明名称
Bracelet coupling
摘要
申请公布号
US1776898(A)
申请公布日期
1930.09.30
申请号
US19290417663
申请日期
1929.12.31
申请人
THE HADLEY COMPANY, INC.
发明人
HADLEY ART
分类号
G04B37/14
主分类号
G04B37/14
代理机构
代理人
主权项
地址
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