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发明名称
Helmet
摘要
申请公布号
US2140630(A)
申请公布日期
1938.12.20
申请号
US19360089354
申请日期
1936.07.07
申请人
GUSTAV ILLGUTH
发明人
ILLGUTH GUSTAV
分类号
A42B1/06;A42B3/16
主分类号
A42B1/06
代理机构
代理人
主权项
地址
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