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发明名称
Runway for airports and the like and method of making same
摘要
申请公布号
US2351273(A)
申请公布日期
1944.06.13
申请号
US19420465582
申请日期
1942.11.14
申请人
MARY H. LITTLEFIELD;JOSEPH P. MAYO
发明人
LITTLEFIELD GLENN C.
分类号
E01C9/00
主分类号
E01C9/00
代理机构
代理人
主权项
地址
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