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发明名称
Moving stairway
摘要
申请公布号
US2023067(A)
申请公布日期
1935.12.03
申请号
US19340758037
申请日期
1934.12.18
申请人
WESTINGHOUSE ELECTRIC ELEVATOR COMPANY
发明人
DUNLOP JAMES
分类号
B66B23/14
主分类号
B66B23/14
代理机构
代理人
主权项
地址
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