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发明名称
Retractable blade knife
摘要
申请公布号
USD245570(S1)
申请公布日期
1977.08.30
申请号
US05/701852
申请日期
1976.07.01
申请人
发明人
分类号
主分类号
代理机构
代理人
主权项
地址
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