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经营范围
发明名称
Compositions expansibles de polymères du styrène.
摘要
申请公布号
OA1902(A)
申请公布日期
1970.02.04
申请号
OA19660052334
申请日期
1966.01.26
申请人
KOPPERS COMPANY INC
发明人
分类号
C08J9/08;(IPC1-7):C08J9/08;C08L25/00
主分类号
C08J9/08
代理机构
代理人
主权项
地址
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