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经营范围
发明名称
Apparatus for cleaning and opening fragile fibers
摘要
申请公布号
US2682085(A)
申请公布日期
1954.06.29
申请号
US19490117558
申请日期
1949.09.24
申请人
JOHNS-MANVILLE CORPORATION
发明人
NOVOTNY EDISON H.;HEDGES LEE M.
分类号
D01G9/00
主分类号
D01G9/00
代理机构
代理人
主权项
地址
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