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发明名称
FALL ARREST SAFETY SYSTEM
摘要
This present teachings relate an engineered fall-arrest mechanism that stops the free fall of up to two workers simultaneously. The present teachings are described in four exemplary embodiments.
申请公布号
US2010187040(A1)
申请公布日期
2010.07.29
申请号
US20100703577
申请日期
2010.02.10
申请人
SIEMIENOWICZ JOHN R
发明人
SIEMIENOWICZ JOHN R.
分类号
E04G21/32
主分类号
E04G21/32
代理机构
代理人
主权项
地址
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