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发明名称
Elevator systems
摘要
申请公布号
US2795297(A)
申请公布日期
1957.06.11
申请号
US19540453214
申请日期
1954.08.31
申请人
WESTINGHOUSE ELECTRIC CORPORATION
发明人
EAMES WILLIAM F.
分类号
B66B1/20
主分类号
B66B1/20
代理机构
代理人
主权项
地址
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