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发明名称
Portable elevatory platform unit
摘要
申请公布号
US2614800(A)
申请公布日期
1952.10.21
申请号
US19470766243
申请日期
1947.08.05
申请人
GARLINGER CHARLES D;FULLER ROGER E
发明人
GARLINGER CHARLES D.;FULLER ROGER E.
分类号
E21B15/00
主分类号
E21B15/00
代理机构
代理人
主权项
地址
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