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经营范围
发明名称
Process and apparatus for producing dull luster rayon
摘要
申请公布号
US1944378(A)
申请公布日期
1934.01.23
申请号
US19300423166
申请日期
1930.01.24
申请人
RUTH-ALDO COMPANY, INC.
发明人
JOSEPH RAYMOND ALFRED
分类号
D01F2/30
主分类号
D01F2/30
代理机构
代理人
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地址
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