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发明名称
Collar holder
摘要
申请公布号
US2150020(A)
申请公布日期
1939.03.07
申请号
US19370171079
申请日期
1937.10.26
申请人
DOLAN & BULLOCK
发明人
CARLSON OSCAR
分类号
A41B3/08
主分类号
A41B3/08
代理机构
代理人
主权项
地址
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