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发明名称
Rotating valve
摘要
申请公布号
US2399472(A)
申请公布日期
1946.04.30
申请号
US19440516816
申请日期
1944.01.03
申请人
ROZA JOAQUIN J DE LA SR
发明人
JOAQUIN J. DE LA ROZA, SR.
分类号
B65G53/46
主分类号
B65G53/46
代理机构
代理人
主权项
地址
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