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发明名称
ANTIFLEX-CRACKING AGENTS IN RUBBER
摘要
申请公布号
CA509464(A)
申请公布日期
1955.01.25
申请号
CAD509464
申请日期
申请人
THE FIRESTONE TIRE AND RUBBER COMPANY
发明人
GEORGE E. P. SMITH, JR.
分类号
主分类号
代理机构
代理人
主权项
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