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发明名称
Variable speed transmission for a portable drill
摘要
申请公布号
US3176547(A)
申请公布日期
1965.04.06
申请号
US19610089004
申请日期
1961.02.13
申请人
SCHNACKE WALTER H
发明人
SCHNACKE WALTER H.
分类号
B23B45/00;B23Q5/14
主分类号
B23B45/00
代理机构
代理人
主权项
地址
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