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经营范围
发明名称
Reversible automatic infinitely variable gear
摘要
申请公布号
GB355011(A)
申请公布日期
1931.08.20
申请号
GB19300023742
申请日期
1930.08.08
申请人
FREDERICK GUSTAVE PURKIS VIEWING
发明人
分类号
F16H29/22
主分类号
F16H29/22
代理机构
代理人
主权项
地址
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