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发明名称
Zoned elevator system
摘要
申请公布号
US2621759(A)
申请公布日期
1952.12.16
申请号
US19510244113
申请日期
1951.08.29
申请人
WESTINGHOUSE ELECTRIC CORPORATION
发明人
ESSELMAN WALTER H.
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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