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发明名称
摘要
申请公布号
DE3629729(C2)
申请公布日期
1989.10.26
申请号
DE19863629729
申请日期
1986.09.01
申请人
WALBROEHL, HEINZ-THEO, 5300 BONN, DE
发明人
WALBROEHL, HEINZ-THEO, 5300 BONN, DE
分类号
E21D9/06
主分类号
E21D9/06
代理机构
代理人
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地址
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