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经营范围
发明名称
Improvements in or relating to change speed gearing
摘要
申请公布号
GB789165(A)
申请公布日期
1958.01.15
申请号
GB19540032243
申请日期
1954.11.08
申请人
HAROLD RAYMOND MORGAN
发明人
分类号
F16H3/14
主分类号
F16H3/14
代理机构
代理人
主权项
地址
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