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发明名称
Funnel
摘要
申请公布号
US2174228(A)
申请公布日期
1939.09.26
申请号
US19380198253
申请日期
1938.03.26
申请人
PERKINS ROSS L
发明人
PERKINS ROSS L.
分类号
B67C11/02
主分类号
B67C11/02
代理机构
代理人
主权项
地址
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