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发明名称
AUTOMATIC SCREW TIGHTENING DEVICE
摘要
申请公布号
JPS6420939(A)
申请公布日期
1989.01.24
申请号
JP19870172764
申请日期
1987.07.13
申请人
HITACHI LTD
发明人
SASAKI TAISUKE
分类号
B23P19/06
主分类号
B23P19/06
代理机构
代理人
主权项
地址
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