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发明名称
Improvements in and relating to rotary steering
摘要
申请公布号
GB549354(A)
申请公布日期
1942.11.18
申请号
GB19410001521
申请日期
1941.02.05
申请人
CHARLES SAMUEL ROBERT STOCK;THE ASSOCIATED EQUIPMENT COMPANY LIMITED
发明人
分类号
B62D5/08
主分类号
B62D5/08
代理机构
代理人
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