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经营范围
发明名称
Car seal
摘要
申请公布号
US2208717(A)
申请公布日期
1940.07.23
申请号
US19390285605
申请日期
1939.07.20
申请人
J. O. KER
发明人
ASHTON DOUGLAS WILLARD
分类号
G09F3/03
主分类号
G09F3/03
代理机构
代理人
主权项
地址
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