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发明名称
Method of improving aging qualities of rubber and resulting product
摘要
申请公布号
US1875903(A)
申请公布日期
1932.09.06
申请号
US19300470539
申请日期
1930.07.24
申请人
E. I. DU PONT DE NEMOURS & COMPANY
发明人
WILLIAMS IRA;NEAL ARTHUR M.
分类号
C08K5/32
主分类号
C08K5/32
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代理人
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