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发明名称
Hat
摘要
申请公布号
US2358708(A)
申请公布日期
1944.09.19
申请号
US19420463152
申请日期
1942.10.24
申请人
KLARA HALMOS
发明人
HALMOS KLARA
分类号
A42B1/04
主分类号
A42B1/04
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代理人
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