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发明名称
Automatic water feeding device
摘要
申请公布号
US2556801(A)
申请公布日期
1951.06.12
申请号
US19480014097
申请日期
1948.03.10
申请人
DUKAS JAMES K
发明人
DUKAS JAMES K.
分类号
F22D5/04
主分类号
F22D5/04
代理机构
代理人
主权项
地址
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