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发明名称
Improvements in or relating to tractor change-speed transmissions
摘要
申请公布号
GB848861(A)
申请公布日期
1960.09.21
申请号
GB19580020338
申请日期
1958.06.25
申请人
FERDINAND PORSCHE
发明人
分类号
F16H3/22;F16H37/08
主分类号
F16H3/22
代理机构
代理人
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地址
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