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发明名称
COUNTING DEVICE FOR PREVENTING FORGETTING OF SCREW TIGHTENING
摘要
申请公布号
JPH02311276(A)
申请公布日期
1990.12.26
申请号
JP19890126712
申请日期
1989.05.22
申请人
TOKAI DENSHI KENKYUSHO:KK
发明人
OKUMURA MASAYUKI
分类号
B25B21/00
主分类号
B25B21/00
代理机构
代理人
主权项
地址
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