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发明名称
Production of ddt
摘要
申请公布号
US2656396(A)
申请公布日期
1953.10.20
申请号
US19490102430
申请日期
1949.06.30
申请人
THE PENNSYLVANIA SALT MANUFACTURING COMPANY
发明人
HAYWARD CYRIL
分类号
主分类号
代理机构
代理人
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