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经营范围
发明名称
Liquid indicator
摘要
申请公布号
US2620663(A)
申请公布日期
1952.12.09
申请号
US19500153368
申请日期
1950.04.01
申请人
FINE ALBERT H
发明人
FINE ALBERT H.
分类号
F25B41/00
主分类号
F25B41/00
代理机构
代理人
主权项
地址
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