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发明名称
Roofing material
摘要
申请公布号
US2569134(A)
申请公布日期
1951.09.25
申请号
US19460702043
申请日期
1946.10.08
申请人
H. B. REED AND COMPANY
发明人
REED HAROLD B.
分类号
E04D7/00
主分类号
E04D7/00
代理机构
代理人
主权项
地址
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