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发明名称
Insulating material and structure
摘要
申请公布号
US2238022(A)
申请公布日期
1941.04.08
申请号
US19370134701
申请日期
1937.04.03
申请人
UNITED STATES GYPSUM COMPANY
发明人
JOHNSON FRED GERALD
分类号
E04B1/76
主分类号
E04B1/76
代理机构
代理人
主权项
地址
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