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发明名称
Verfahren zum Herstellen eines Stollen- oder Tunnelmauerwerks
摘要
申请公布号
DE1006879(B)
申请公布日期
1957.04.25
申请号
DE1955W017468
申请日期
1955.09.12
申请人
WAYSS & FREYTAG AKTIENGESELLSCHAFT
发明人
BACHUS DR.-ING. ERNST
分类号
E21D11/10
主分类号
E21D11/10
代理机构
代理人
主权项
地址
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