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经营范围
发明名称
VERBINDUNG VON DRUCKROHREN AUS BETON.
摘要
申请公布号
DE1695551(U)
申请公布日期
1955.03.24
申请号
DE195400D9574U
申请日期
1954.12.28
申请人
DYCKERHOFF & WIDMANN KOMMANDITGESELLSCHAFT
发明人
分类号
F16L25/00
主分类号
F16L25/00
代理机构
代理人
主权项
地址
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