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发明名称
Kappe
摘要
申请公布号
DE866332(C)
申请公布日期
1953.02.09
申请号
DE1951R006276
申请日期
1951.07.06
申请人
RINGFEDER G.M.B.H.
发明人
KREISSIG ERNST
分类号
E21D17/01
主分类号
E21D17/01
代理机构
代理人
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