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经营范围
发明名称
Improvements in moving stairway
摘要
申请公布号
GB413897(A)
申请公布日期
1934.07.26
申请号
GB19330025975
申请日期
1933.09.20
申请人
WAYGOOD-OTIS LIMITED
发明人
分类号
B66B23/02;B66B23/04
主分类号
B66B23/02
代理机构
代理人
主权项
地址
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