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发明名称
HYDRAULISCHES STUETZELEMENT FUER DEN GRUBENAUSBAU.
摘要
申请公布号
DE1794724(U)
申请公布日期
1959.09.03
申请号
DE195900SC886U
申请日期
1959.05.12
申请人
HERMANN SCHWARZ KOMMANDITGESELLSCHAFT
发明人
分类号
E21D15/44
主分类号
E21D15/44
代理机构
代理人
主权项
地址
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