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发明名称
Process of producing rayon
摘要
申请公布号
US2442331(A)
申请公布日期
1948.06.01
申请号
US19400322755
申请日期
1940.03.07
申请人
NORTH AMERICAN RAYON CORPORATION
发明人
CRESSWELL ARTHUR
分类号
B29C49/68;D01F2/08;D01F2/10
主分类号
B29C49/68
代理机构
代理人
主权项
地址
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