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发明名称
PRESSURE FOOT SUPPORTING DEVICE IN PRINTED WIRING BOARD DRILLING MACHINE
摘要
申请公布号
JPH05138417(A)
申请公布日期
1993.06.01
申请号
JP19910305167
申请日期
1991.11.21
申请人
HITACHI SEIKO LTD
发明人
HAMADA KAZUNORI
分类号
B23B47/00;B23B41/00;B26F1/16;H05K3/00
主分类号
B23B47/00
代理机构
代理人
主权项
地址
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