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经营范围
发明名称
Mehrteiliger Grubenstempel
摘要
申请公布号
DE1020293(B)
申请公布日期
1957.12.05
申请号
DE1956G019909
申请日期
1956.06.21
申请人
GUTEHOFFNUNGSHUETTE STERKRADE AKTIENGESELLSCHAFT
发明人
VOGEL DIPL.-ING. RUDOLF;HOEFER KARL
分类号
E21D15/32
主分类号
E21D15/32
代理机构
代理人
主权项
地址
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