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发明名称
Automatic leveling control and clinometer
摘要
申请公布号
US2893134(A)
申请公布日期
1959.07.07
申请号
US19540417736
申请日期
1954.03.22
申请人
PRECO INCORPORATED
发明人
SHEA REEFORD P.;RAUDENBUSH CHARLES
分类号
E01C19/00;G01C9/22
主分类号
E01C19/00
代理机构
代理人
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地址
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