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发明名称
Fremgangsmåde ved fremstilling af koniske tætningsorganer på kanalisationsrør med rørmuffeforbindelser, samt apparat til brug ved udøvelsen af fremgangsmåden.
摘要
申请公布号
DK89970(C)
申请公布日期
1960.11.07
申请号
DK19570003737
申请日期
1957.11.05
申请人
FACHVERBAND STEINZEUGINDUSTRIE E. V.
发明人
分类号
(IPC1-7):F06L
主分类号
(IPC1-7):F06L
代理机构
代理人
主权项
地址
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