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经营范围
发明名称
Insulation board
摘要
申请公布号
US2565340(A)
申请公布日期
1951.08.21
申请号
US19490097907
申请日期
1949.06.08
申请人
KEASBEY AND MATTISON COMPANY
发明人
ANDERSON HARVEY R.
分类号
C04B28/18
主分类号
C04B28/18
代理机构
代理人
主权项
地址
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