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经营范围
发明名称
Screening mechanism
摘要
申请公布号
US2215818(A)
申请公布日期
1940.09.24
申请号
US19370152940
申请日期
1937.07.10
申请人
BIRD MACHINE CO.
发明人
LINDEQUIST CHARLES JOHN
分类号
D21D5/06
主分类号
D21D5/06
代理机构
代理人
主权项
地址
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