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发明名称
WERKWIJZE EN INRICHTING VOOR HET BEPALEN VAN VOEGWIJKINGEN TUSSEN RIOLERINGSBUIZEN VAN EEN RIOLERINGSSTELSEL.
摘要
申请公布号
NL9001929(A)
申请公布日期
1992.04.01
申请号
NL19900001929
申请日期
1990.09.03
申请人
VAN DER VELDEN GROEP B.V. TE SON.
发明人
分类号
E03F7/12;G01B11/14
主分类号
E03F7/12
代理机构
代理人
主权项
地址
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