发明名称 |
Portable lift |
摘要 |
|
申请公布号 |
US2463381(A) |
申请公布日期 |
1949.03.01 |
申请号 |
US19440548425 |
申请日期 |
1944.08.07 |
申请人 |
RUFUS N. WARD |
发明人 |
HICKS MARVIN L. |
分类号 |
B62B3/04 |
主分类号 |
B62B3/04 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
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