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发明名称
Cellulosic products
摘要
申请公布号
US2474306(A)
申请公布日期
1949.06.28
申请号
US19450579490
申请日期
1945.02.23
申请人
PARKE, DAVIS & COMPANY
发明人
DOUB LEONARD
分类号
A61L15/28;C08B15/02;D06M11/64;D06M13/463;D06M16/00
主分类号
A61L15/28
代理机构
代理人
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