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经营范围
发明名称
Asbestos board
摘要
申请公布号
US2376919(A)
申请公布日期
1945.05.29
申请号
US19410383449
申请日期
1941.03.14
申请人
KEASBEY & MATTISON COMPANY
发明人
HUTCHEROFT CLYDE R.
分类号
C04B28/06
主分类号
C04B28/06
代理机构
代理人
主权项
地址
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