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发明名称
Double-use electrical drill
摘要
申请公布号
US4810137(A)
申请公布日期
1989.03.07
申请号
US19870064691
申请日期
1987.06.22
申请人
YANG, TAI-HER
发明人
YANG, TAI-HER
分类号
B23B45/00;B23B45/14;B25F5/00;B25F5/02;B25H1/00;(IPC1-7):B23B45/14
主分类号
B23B45/00
代理机构
代理人
主权项
地址
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