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经营范围
发明名称
Corrosion resistant concrete pipe.
摘要
申请公布号
ZA9706997(B)
申请公布日期
1997.09.16
申请号
ZA19970006997
申请日期
1997.08.06
申请人
D&H PIPING SYSTEMS (PROPRIETARY) LIMITED, ROCLA DIVISION
发明人
PIETER STEPHANUS VAN DER WESTHUIZEN;GERHARDUS PIETER FREDERICK BEZUIDENHOUT
分类号
F16L
主分类号
F16L
代理机构
代理人
主权项
地址
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