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发明名称
Ridged valley gutter
摘要
申请公布号
AU706184(B3)
申请公布日期
1999.06.10
申请号
AU19980096104
申请日期
1998.12.04
申请人
JEFFREY RALPH WILKINS
发明人
JEFFREY RALPH WILKINS
分类号
E04D3/40;E04D13/064;(IPC1-7):E04D13/064
主分类号
E04D3/40
代理机构
代理人
主权项
地址
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