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发明名称
Elevator mechanism
摘要
申请公布号
US2649934(A)
申请公布日期
1953.08.25
申请号
US19520271096
申请日期
1952.02.12
申请人
ALPHONSE RANCOURT
发明人
RANCOURT ALPHONSE
分类号
B66B1/04;B66B1/42
主分类号
B66B1/04
代理机构
代理人
主权项
地址
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