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发明名称
Water resistant composition board
摘要
申请公布号
US2269457(A)
申请公布日期
1942.01.13
申请号
US19380222968
申请日期
1938.08.04
申请人
UNITED STATES GYPSUM COMPANY
发明人
JR. DELBERT F. JURGENSEN,
分类号
C04B22/08;C04B28/14
主分类号
C04B22/08
代理机构
代理人
主权项
地址
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