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经营范围
发明名称
Improvements in and relating to variable pitch airscrews
摘要
申请公布号
GB430223(A)
申请公布日期
1935.06.14
申请号
GB19340033599
申请日期
1934.11.22
申请人
ACHILLE ERNEST GABA
发明人
分类号
B64C11/36
主分类号
B64C11/36
代理机构
代理人
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