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发明名称
ROHRKRUEMMER FUER ROHRLEITUNGEN AUS STAHLBETON.
摘要
申请公布号
DE1829620(U)
申请公布日期
1961.04.13
申请号
DE196100D1949U
申请日期
1961.01.24
申请人
DYCKERHOFF & WIDMANN KOMMANDITGESELLSCHAFT
发明人
分类号
主分类号
代理机构
代理人
主权项
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