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经营范围
发明名称
Improvements in or relating to clutch-controlling means
摘要
申请公布号
GB325792(A)
申请公布日期
1930.02.17
申请号
GB19280033484
申请日期
1928.11.15
申请人
WILLIAM DAVID RHYS
发明人
分类号
G05G7/04
主分类号
G05G7/04
代理机构
代理人
主权项
地址
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