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经营范围
发明名称
Improvements in or relating to change speed mechanisms
摘要
申请公布号
GB478223(A)
申请公布日期
1938.01.14
申请号
GB19360029810
申请日期
1936.11.02
申请人
FRANZ SCHMID
发明人
分类号
F16H3/72
主分类号
F16H3/72
代理机构
代理人
主权项
地址
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