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经营范围
发明名称
Fire-resisting fiber board or like article and method of making the same
摘要
申请公布号
US1910469(A)
申请公布日期
1933.05.23
申请号
US19320589318
申请日期
1932.01.27
申请人
MINERALLTE CORPORATION
发明人
BROWN R. W.
分类号
D21J1/00
主分类号
D21J1/00
代理机构
代理人
主权项
地址
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