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经营范围
发明名称
Method of wet felting and leaching mineral fibers and resultant felted product
摘要
申请公布号
US3012930(A)
申请公布日期
1961.12.12
申请号
US19560611492
申请日期
1956.09.24
申请人
JOHNS-MANVILLE FIBER GLASS INC.
发明人
LABINO DOMINICK
分类号
D21H13/40
主分类号
D21H13/40
代理机构
代理人
主权项
地址
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