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经营范围
发明名称
Expandable polymers
摘要
申请公布号
US3370022(A)
申请公布日期
1968.02.20
申请号
US19650511319
申请日期
1965.12.03
申请人
KOPPERS COMPANY, INC.
发明人
INGRAM ALVIN R.;ZUPANC ALVIN J.
分类号
C08F12/08;C08J9/20
主分类号
C08F12/08
代理机构
代理人
主权项
地址
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