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发明名称
Agitating device
摘要
申请公布号
US2838007(A)
申请公布日期
1958.06.10
申请号
US19530358732
申请日期
1953.06.01
申请人
DERRICK JOHNSTON WILLIAM
发明人
JOHNSTON WILLIAM DERRICK
分类号
F04B17/00
主分类号
F04B17/00
代理机构
代理人
主权项
地址
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