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发明名称
Improvements in precast drainage channels
摘要
申请公布号
AUPQ420199(D0)
申请公布日期
1999.12.16
申请号
AU1999PQ04201
申请日期
1999.11.23
申请人
PATEN PRODUCTS AUSTRALIA PTY. LTD.
发明人
分类号
主分类号
代理机构
代理人
主权项
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