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发明名称
Headgear structure
摘要
申请公布号
US2739309(A)
申请公布日期
1956.03.27
申请号
US19500201904
申请日期
1950.12.21
申请人
FRIEDER
发明人
FRIEDER LEONARD P.;FINKEN WALTER S.
分类号
A42B3/06;A42B3/14;A42C2/00;B29C70/00
主分类号
A42B3/06
代理机构
代理人
主权项
地址
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