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发明名称
BOLZEN ZUR MITEINANDERVERBINDUNG DER BEIDEN ELEMENTE VON STARREN GELENKEN FUER GRUBENAUSBAURAHMEN.
摘要
申请公布号
DE1740414(U)
申请公布日期
1957.02.28
申请号
DE1956L017344U
申请日期
1956.12.15
申请人
LORENZ-POLYGON-AUSBAU G.M.B.H.
发明人
分类号
E21D11/26
主分类号
E21D11/26
代理机构
代理人
主权项
地址
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