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发明名称
Dispositif indicateur de tension notamment pour un ensemble à boulon et à écrou
摘要
申请公布号
FR1321658(A)
申请公布日期
1963.03.22
申请号
FR19620891541
申请日期
1962.03.19
申请人
发明人
CUMMING JAMES DEANS
分类号
E21D21/02;F16B31/02;G01L5/24
主分类号
E21D21/02
代理机构
代理人
主权项
地址
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