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发明名称
Softening rubber
摘要
申请公布号
US2223085(A)
申请公布日期
1940.11.26
申请号
US19400315164
申请日期
1940.01.23
申请人
LELIA LOGAN SMITH;E. I. DU PONT DE NEMOURS & COMPANY
发明人
WILLIAMS IRA
分类号
C08K5/38
主分类号
C08K5/38
代理机构
代理人
主权项
地址
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