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发明名称
Aus Profileisen bestehendes Ausbauteil fuer den Grubenausbau
摘要
申请公布号
DE656128(C)
申请公布日期
1938.01.29
申请号
DE1932A065749D
申请日期
1932.04.22
申请人
PAUL ALVERMANN;LORENZ SLECK
发明人
分类号
E21D11/24
主分类号
E21D11/24
代理机构
代理人
主权项
地址
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