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发明名称
Hat
摘要
申请公布号
US2185306(A)
申请公布日期
1940.01.02
申请号
US19380230931
申请日期
1938.09.21
申请人
MARKS MURRAY J
发明人
MARKS MURRAY J.
分类号
A42B1/04;A42B1/22
主分类号
A42B1/04
代理机构
代理人
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