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经营范围
发明名称
Air power lift
摘要
申请公布号
US2489065(A)
申请公布日期
1949.11.22
申请号
US19460684875
申请日期
1946.07.19
申请人
CLARENCE R. WHITED
发明人
WHITED MILO
分类号
A01D67/00
主分类号
A01D67/00
代理机构
代理人
主权项
地址
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