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发明名称
Etanchéité de joint sous forme de grille à barres, pour routes et trottoirs, plus particulièrement pour les voies ferrées aux passages à niveau
摘要
申请公布号
BE619853(A1)
申请公布日期
1962.11.05
申请号
BE19620619853
申请日期
1962.07.06
申请人
RHEINSTAHL UNION BRUECKENBAU A.G.
发明人
分类号
(IPC1-7):E01C
主分类号
(IPC1-7):E01C
代理机构
代理人
主权项
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