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发明名称
SETZKEIL FUER GRUBENSTEMPEL.
摘要
申请公布号
DE1754410(U)
申请公布日期
1957.10.24
申请号
DE1957SC20615U
申请日期
1957.08.19
申请人
HERMANN SCHWARZ K.G.
发明人
分类号
E21D15/582
主分类号
E21D15/582
代理机构
代理人
主权项
地址
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