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经营范围
发明名称
Polyvinyl chloride compositions containing sulfuric acid treated high-boiling petroleum extract
摘要
申请公布号
US2498453(A)
申请公布日期
1950.02.21
申请号
US19450606709
申请日期
1945.07.23
申请人
SHELL DEVELOPMENT COMPANY
发明人
SCHAERER AUGUST A.
分类号
C08L27/02
主分类号
C08L27/02
代理机构
代理人
主权项
地址
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