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发明名称
Elevator guide
摘要
申请公布号
US1899751(A)
申请公布日期
1933.02.28
申请号
US19290415457
申请日期
1929.12.20
申请人
WESTINGHOUSE ELECTRIC ELEVATOR COMPANY
发明人
DUNLOP JAMES
分类号
B66B7/04
主分类号
B66B7/04
代理机构
代理人
主权项
地址
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