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发明名称
Retractably extendable fastener system
摘要
A fastener which operates to provide retractably extendable fastener elements which allow for attachment and detachment of the fastener to fastenable materials.
申请公布号
US7832066(B2)
申请公布日期
2010.11.16
申请号
US20070999062
申请日期
2007.12.04
申请人
EHLER BRADLEY D
发明人
EHLER BRADLEY D.
分类号
A44B9/00;A44B99/00
主分类号
A44B9/00
代理机构
代理人
主权项
地址
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