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发明名称
Improvements in and relating to coffee percolators
摘要
申请公布号
GB514937(A)
申请公布日期
1939.11.22
申请号
GB19380004009
申请日期
1938.05.19
申请人
OTTO WEIL
发明人
分类号
A47J31/02
主分类号
A47J31/02
代理机构
代理人
主权项
地址
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