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发明名称
Improvements in rotary valve internal-combustion engines
摘要
申请公布号
GB650868(A)
申请公布日期
1951.03.07
申请号
GB19480029617
申请日期
1948.11.15
申请人
THE HASLER-STEVENS CORPORATION
发明人
分类号
F01L7/02
主分类号
F01L7/02
代理机构
代理人
主权项
地址
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