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发明名称
Illuminated level
摘要
申请公布号
US2481736(A)
申请公布日期
1949.09.13
申请号
US19460646828
申请日期
1946.02.11
申请人
GERALD D. CARTER
发明人
FOERSTER ALBERT W.
分类号
G01C9/32
主分类号
G01C9/32
代理机构
代理人
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地址
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