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发明名称
摘要
申请公布号
DE2838357(C3)
申请公布日期
1981.02.05
申请号
DE19782838357
申请日期
1978.09.02
申请人
KOPPERS CO., INC., PITTSBURGH, PA. (V.ST.A.)
发明人
PILESI, WILLIAM DAVID, MONROEVILLE;WOWCZUK, ANDREW, PITTSBURGH
分类号
G01N21/85;B07C5/10;G01N21/89;(IPC1-7):G01M11/00
主分类号
G01N21/85
代理机构
代理人
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