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发明名称
Lift device
摘要
申请公布号
US2487160(A)
申请公布日期
1949.11.08
申请号
US19450603440
申请日期
1945.07.06
申请人
MCCOLLEY ORA R
发明人
MCCOLLEY ORA R.
分类号
A61G7/10
主分类号
A61G7/10
代理机构
代理人
主权项
地址
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