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发明名称
HOHLE FUELLKOERPER FUER BETONBAUTEN, VORZUGSWEISE FUER BETON-BRUEKKEN-KONSTRUKTIONEN.
摘要
申请公布号
DE1717755(U)
申请公布日期
1956.03.01
申请号
DE195200H9532U
申请日期
1952.11.17
申请人
HERMANN HANEKAMP
发明人
HERMANN HANEKAMP
分类号
主分类号
代理机构
代理人
主权项
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