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经营范围
发明名称
Sewer concrete or reinforced concrete pipe
摘要
申请公布号
CZ6896(U1)
申请公布日期
1998.02.18
申请号
CZ19970007352U
申请日期
1997.11.06
申请人
PREFA GRYGOV, A.S.
发明人
PROCHAZKA JAN ING.
分类号
E03F3/04;(IPC1-7):E03F003/04
主分类号
E03F3/04
代理机构
代理人
主权项
地址
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