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发明名称
Hat protector
摘要
申请公布号
US1880819(A)
申请公布日期
1932.10.04
申请号
US19310537122
申请日期
1931.05.13
申请人
COLLINS GEORGE J
发明人
COLLINS GEORGE J.
分类号
A42B1/18
主分类号
A42B1/18
代理机构
代理人
主权项
地址
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