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经营范围
发明名称
Roof underlay lap ventilator
摘要
申请公布号
GB9701216(D0)
申请公布日期
1997.03.12
申请号
GB19970001216
申请日期
1997.01.21
申请人
MARTIN, DAVID F
发明人
分类号
E04D13/17
主分类号
E04D13/17
代理机构
代理人
主权项
地址
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