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发明名称
Improvements in or relating to variable speed gear
摘要
申请公布号
GB807446(A)
申请公布日期
1959.01.14
申请号
GB19540011286
申请日期
1954.04.20
申请人
CHARLES EDWARD STEINER
发明人
分类号
F16H9/12;F16H55/56
主分类号
F16H9/12
代理机构
代理人
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