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发明名称
VORRICHTUNG ZUM GERADERICHTEN VON GRUBENSTEMPELN.
摘要
申请公布号
DE1978621(U)
申请公布日期
1968.02.15
申请号
DE196700P0380U
申请日期
1967.11.13
申请人
JACQUES PERRIN
发明人
JACQUES PERRIN
分类号
E21D15/54
主分类号
E21D15/54
代理机构
代理人
主权项
地址
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