发明名称 |
Motion ratio changer |
摘要 |
|
申请公布号 |
US2652994(A) |
申请公布日期 |
1953.09.22 |
申请号 |
US19480046877 |
申请日期 |
1948.08.30 |
申请人 |
NORTHROP AIRCRAFT, INC. |
发明人 |
FEENEY THOMAS A. |
分类号 |
B64C13/24 |
主分类号 |
B64C13/24 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
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