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发明名称
Purification of tetrachlorethylene
摘要
申请公布号
US2456184(A)
申请公布日期
1948.12.14
申请号
US19460662915
申请日期
1946.04.17
申请人
E. I. DU PONT DE NEMOURS & COMPANY
发明人
GREENWALD WILLIAM C.
分类号
C07C17/38
主分类号
C07C17/38
代理机构
代理人
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