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发明名称
Elevator systems
摘要
申请公布号
US2772752(A)
申请公布日期
1956.12.04
申请号
US19540405744
申请日期
1954.01.25
申请人
WESTINGHOUSE ELECTRIC CORPORATION
发明人
SUOZZO JOHN
分类号
B66B1/18
主分类号
B66B1/18
代理机构
代理人
主权项
地址
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