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发明名称
Improvements in and relating to shellac composition
摘要
申请公布号
GB352720(A)
申请公布日期
1931.07.16
申请号
GB19300020079
申请日期
1930.07.02
申请人
THE CALCO CHEMICAL COMPANY
发明人
分类号
C08L93/02
主分类号
C08L93/02
代理机构
代理人
主权项
地址
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