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发明名称
Ventilating ridge roll for roofs
摘要
申请公布号
US2625094(A)
申请公布日期
1953.01.13
申请号
US19510260896
申请日期
1951.12.10
申请人
JOHN BONFORTE
发明人
BONFORTE JOHN
分类号
E04D13/17;F24F7/02
主分类号
E04D13/17
代理机构
代理人
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