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发明名称
Insulating building material
摘要
申请公布号
US1862702(A)
申请公布日期
1932.06.14
申请号
US19290339274
申请日期
1929.02.11
申请人
OSWALT GEORGE L
发明人
OSWALT GEORGE L.
分类号
C04B18/06
主分类号
C04B18/06
代理机构
代理人
主权项
地址
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