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发明名称
OIL WELL DERRICK AND METHOD OF LOADING IT ON A VEHICLE
摘要
申请公布号
CA510533(A)
申请公布日期
1955.03.01
申请号
CAD510533
申请日期
申请人
LEE C. MOORE CORPORATION
发明人
CECIL JENKINS;HOMER J. WOOLSLAYER
分类号
主分类号
代理机构
代理人
主权项
地址
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