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发明名称
Safety fastener
摘要
申请公布号
US3134152(A)
申请公布日期
1964.05.26
申请号
US19610144917
申请日期
1961.10.13
申请人
PEI HSUEN PING C
发明人
PEI HSUEN PING C.
分类号
A44B18/00
主分类号
A44B18/00
代理机构
代理人
主权项
地址
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