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发明名称
Jolly balance
摘要
申请公布号
US2387489(A)
申请公布日期
1945.10.23
申请号
US19450599365
申请日期
1945.06.14
申请人
GULF RESEARCH & DEVELOPMENT COMPANY
发明人
BAILEY LOTHROP H.
分类号
G01N9/08
主分类号
G01N9/08
代理机构
代理人
主权项
地址
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