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经营范围
发明名称
Improvements in or relating to headgear structure
摘要
申请公布号
GB737511(A)
申请公布日期
1955.09.28
申请号
GB19530015322
申请日期
1953.06.03
申请人
LEONARD PETER FRIEDER
发明人
分类号
A42B3/14
主分类号
A42B3/14
代理机构
代理人
主权项
地址
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