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经营范围
发明名称
Purification of plasticizer esters
摘要
申请公布号
US2778849(A)
申请公布日期
1957.01.22
申请号
US19530382476
申请日期
1953.09.25
申请人
WILLIAM M. HACKMAN
发明人
ACKELSBERG OSCAR
分类号
C07C69/34
主分类号
C07C69/34
代理机构
代理人
主权项
地址
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