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经营范围
发明名称
Improvements in or relating to variable speed gearing
摘要
申请公布号
GB446166(A)
申请公布日期
1936.04.21
申请号
GB19340021427
申请日期
1934.07.21
申请人
OTTO EDWARD SZEKELY
发明人
分类号
F16H39/36
主分类号
F16H39/36
代理机构
代理人
主权项
地址
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