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经营范围
发明名称
Improvements in the manufacture of ebonites and the like
摘要
申请公布号
GB417046(A)
申请公布日期
1934.09.25
申请号
GB19330002351
申请日期
1933.01.25
申请人
BENJAMIN DAWSON PORRITT;HAROLD ASHLEY DAYNES;HOWARD SPENCE;PETER SPENCE & SONS, LIMITED
发明人
分类号
C08K3/06;C08K3/36
主分类号
C08K3/06
代理机构
代理人
主权项
地址
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