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发明名称
Ventilanordnung fuer hydraulische Grubenstempel
摘要
申请公布号
DE1195251(B)
申请公布日期
1965.06.24
申请号
DE1963G036909
申请日期
1963.01.26
申请人
GUTEHOFFNUNGSHUETTE STERKRADE AKTIENGESELLSCHAFT
发明人
HOEFER KARL
分类号
E21D15/51
主分类号
E21D15/51
代理机构
代理人
主权项
地址
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