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发明名称
Moving stairway
摘要
申请公布号
US2686585(A)
申请公布日期
1954.08.17
申请号
US19490091354
申请日期
1949.05.04
申请人
OTIS ELEVATOR COMPANY
发明人
MARGLES SAMUEL GUSTAVE;FABULA ANDREW
分类号
B66B21/04;B66B23/02;B66B23/04;B66B23/14
主分类号
B66B21/04
代理机构
代理人
主权项
地址
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