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发明名称
PROCESS FOR PREPARING CELLULAR POLYMERIC MATERIALS
摘要
申请公布号
CA860999(A)
申请公布日期
1971.01.12
申请号
CAD860999
申请日期
申请人
DAICEL LTD.
发明人
TAKASHI HIRAMOTO;AKIO IWAMA;MAMORU KANAGUCHI
分类号
主分类号
代理机构
代理人
主权项
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