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经营范围
发明名称
Cellular structural material
摘要
申请公布号
US1764824(A)
申请公布日期
1930.06.17
申请号
US19250028942
申请日期
1925.05.08
申请人
UNITED STATES GYPSUM COMPANY
发明人
BROOKBY HARRY E.;KING GEORGE D.
分类号
C04B28/14
主分类号
C04B28/14
代理机构
代理人
主权项
地址
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