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发明名称
IMPROVEMENTS RELATING TO AN ADJUSTABLE DRAINAGE GRATING
摘要
申请公布号
AU606999(B2)
申请公布日期
1991.02.21
申请号
AU19880022961
申请日期
1988.09.29
申请人
GATIC (AUSTRALIA) PTY. LTD.
发明人
REGINALD HILTON
分类号
E03C1/264;E03F5/06
主分类号
E03C1/264
代理机构
代理人
主权项
地址
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