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发明名称
Combination pocket level
摘要
申请公布号
US2747295(A)
申请公布日期
1956.05.29
申请号
US19530340759
申请日期
1953.03.06
申请人
DRAWDY EDDIE L
发明人
DRAWDY EDDIE L.
分类号
G01C9/24;G01C9/26
主分类号
G01C9/24
代理机构
代理人
主权项
地址
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