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发明名称
Road grading stake marker
摘要
申请公布号
US2699140(A)
申请公布日期
1955.01.11
申请号
US19540403276
申请日期
1954.01.11
申请人
FISHER JOHN G
发明人
FISHER JOHN G.
分类号
E02F9/26;G01C15/06
主分类号
E02F9/26
代理机构
代理人
主权项
地址
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