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发明名称
Safety clip
摘要
申请公布号
US1959271(A)
申请公布日期
1934.05.15
申请号
US19330670178
申请日期
1933.05.09
申请人
ELLIS KAMRASS
发明人
KAMRASS ELLIS
分类号
B42F3/00
主分类号
B42F3/00
代理机构
代理人
主权项
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