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经营范围
发明名称
Grubenstempel
摘要
申请公布号
DE730460(C)
申请公布日期
1943.01.12
申请号
DE1938G097754D
申请日期
1938.04.30
申请人
GEWERKSCHAFT REUSS
发明人
分类号
E21D15/32;E21D15/40;E21D15/502;E21D15/54
主分类号
E21D15/32
代理机构
代理人
主权项
地址
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