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发明名称
Prolongement de la tête de l'étançon
摘要
申请公布号
FR1463003(A)
申请公布日期
1966.06.03
申请号
FR19650025946
申请日期
1965.07.26
申请人
HERMANN HEMSCHEIDT MASCHINENFABRIK
发明人
WELZEL JOSEF;BUELL HANS;MAYKEMPER ALFRED
分类号
E21D15/52
主分类号
E21D15/52
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代理人
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