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发明名称
Improvements in vane rotors
摘要
申请公布号
GB529660(A)
申请公布日期
1940.11.26
申请号
GB19390016474
申请日期
1939.06.05
申请人
NILS AXEL SPARR
发明人
分类号
F03B1/02;F03D3/06
主分类号
F03B1/02
代理机构
代理人
主权项
地址
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