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发明名称
Combination cover and measuring device
摘要
申请公布号
US2339644(A)
申请公布日期
1944.01.18
申请号
US19430473365
申请日期
1943.01.23
申请人
LUCAS JOHN S
发明人
LUCAS JOHN S.
分类号
G01F19/00
主分类号
G01F19/00
代理机构
代理人
主权项
地址
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