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经营范围
发明名称
Improvements in and relating to belt and chain gearing
摘要
申请公布号
GB330078(A)
申请公布日期
1930.06.05
申请号
GB19290012823
申请日期
1929.04.25
申请人
JOSEPH PARKER
发明人
分类号
F16H55/48
主分类号
F16H55/48
代理机构
代理人
主权项
地址
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