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发明名称
Improvements in or relating to sifting apparatus for grading black tea
摘要
申请公布号
GB425482(A)
申请公布日期
1935.03.14
申请号
GB19330025525
申请日期
1933.09.14
申请人
GILBERT GADD
发明人
分类号
A23F3/00
主分类号
A23F3/00
代理机构
代理人
主权项
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