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经营范围
发明名称
Hypodermic needle guard
摘要
申请公布号
USD298352(S1)
申请公布日期
1988.11.01
申请号
US06/858230
申请日期
1986.04.28
申请人
发明人
分类号
主分类号
代理机构
代理人
主权项
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