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发明名称
Safety cap
摘要
申请公布号
US2739311(A)
申请公布日期
1956.03.27
申请号
US19520297202
申请日期
1952.07.05
申请人
E. D. BULLARD COMPANY
发明人
BULLARD EDWARD WHEATLEY
分类号
A42B1/10
主分类号
A42B1/10
代理机构
代理人
主权项
地址
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