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经营范围
发明名称
Improvements in rotary valve internal combustion or other engines or pumps
摘要
申请公布号
GB451917(A)
申请公布日期
1936.08.13
申请号
GB19360005276
申请日期
1936.02.21
申请人
ROLAND CLAUDE CROSS
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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