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发明名称
Dispensing device
摘要
申请公布号
US2799881(A)
申请公布日期
1957.07.23
申请号
US19520317796
申请日期
1952.10.30
申请人
HOWE ELRA F
发明人
HOWE ELRA F.
分类号
G01F11/02
主分类号
G01F11/02
代理机构
代理人
主权项
地址
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