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发明名称
Reserve winding indicator for timepieces
摘要
申请公布号
US2703475(A)
申请公布日期
1955.03.08
申请号
US19540438776
申请日期
1954.06.23
申请人
LIEBMAN JOSEPH N
发明人
LIEBMAN JOSEPH N.
分类号
G04B9/00
主分类号
G04B9/00
代理机构
代理人
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