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发明名称
Hat
摘要
申请公布号
US2417616(A)
申请公布日期
1947.03.18
申请号
US19450595944
申请日期
1945.05.26
申请人
RYNIKER HARRY F
发明人
RYNIKER HARRY F.
分类号
A42C5/02
主分类号
A42C5/02
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代理人
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