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发明名称
Perfectionnements apportés aux appareils, notamment à ceux pour exploitations minières, comportantau moins deux organes de positions relatives réglables devant pouvoi r être verrouillés temporairement
摘要
申请公布号
FR1074534(A)
申请公布日期
1954.10.06
申请号
FRD1074534
申请日期
1952.06.03
申请人
SOCIETE TECHNIQUE POUR L'INDUSTRIE MINIERE
发明人
分类号
B23Q1/28;E21B7/02;E21C25/64;F16B1/00
主分类号
B23Q1/28
代理机构
代理人
主权项
地址
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