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发明名称
Improvements in or relating to the production of rubber composition
摘要
申请公布号
GB348299(A)
申请公布日期
1931.05.14
申请号
GB19300009172
申请日期
1930.03.21
申请人
WILLIAM BRYAN WIEGAND
发明人
分类号
C08K3/04;H01B3/28
主分类号
C08K3/04
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