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经营范围
发明名称
Improvements in fillers and their use in compounding butyl rubber
摘要
申请公布号
GB721415(A)
申请公布日期
1955.01.05
申请号
GB19520025685
申请日期
1952.10.04
申请人
UNITED STATES RUBBER COMPANY
发明人
分类号
C08K9/06
主分类号
C08K9/06
代理机构
代理人
主权项
地址
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