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发明名称
Schuh fuer nachgiebigen Grubenausbau
摘要
申请公布号
DE620168(C)
申请公布日期
1935.10.16
申请号
DE1934V030267D
申请日期
1934.01.07
申请人
VEREINIGTE STAHLWERKE AKT.-GES.
发明人
SCHNEIDER MAX
分类号
E21D11/24
主分类号
E21D11/24
代理机构
代理人
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地址
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