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发明名称
Cutting device with resilient locking mechanism
摘要
申请公布号
US3177037(A)
申请公布日期
1965.04.06
申请号
US19630250356
申请日期
1963.01.09
申请人
ELDERS GERALD W
发明人
ELDERS GERALD W.
分类号
E21C35/19
主分类号
E21C35/19
代理机构
代理人
主权项
地址
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