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经营范围
发明名称
Vorrichtung zum Verdichten von Betonrohren
摘要
申请公布号
DE1017512(B)
申请公布日期
1957.10.10
申请号
DE1955D022004
申请日期
1955.12.28
申请人
DYCKERHOFF & WIDMANN KOMMANDITGESELLSCHAFT
发明人
分类号
B28B21/24
主分类号
B28B21/24
代理机构
代理人
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