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发明名称
Improved closure device
摘要
申请公布号
GB535375(A)
申请公布日期
1941.04.08
申请号
GB19390025171
申请日期
1939.09.07
申请人
CONSTANT SPEED AIRSCREWS LIMITED;FREDERICK GEORGE MARSHALL
发明人
分类号
B64C11/14;F01P11/02
主分类号
B64C11/14
代理机构
代理人
主权项
地址
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