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发明名称
Safety guard for mandrel presses
摘要
申请公布号
US2095971(A)
申请公布日期
1937.10.19
申请号
US19360094576
申请日期
1936.08.06
申请人
EHRMANTRAUT JOHN M
发明人
EHRMANTRAUT JOHN M.
分类号
F16P3/08
主分类号
F16P3/08
代理机构
代理人
主权项
地址
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