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经营范围
发明名称
Aviator's helmet
摘要
申请公布号
US2867813(A)
申请公布日期
1959.01.13
申请号
US19570692474
申请日期
1957.10.25
申请人
BILL JACK SCIENTIFIC INSTRUMENT CO.
发明人
MILLER RUSSELL L.
分类号
A42B3/10;A42B3/12
主分类号
A42B3/10
代理机构
代理人
主权项
地址
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