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发明名称
Improvements in powder catapults
摘要
申请公布号
GB525476(A)
申请公布日期
1940.08.29
申请号
GB19390005822
申请日期
1939.02.21
申请人
SCHNEIDER & CIE.;JEAN FIEUX
发明人
分类号
B64F1/06
主分类号
B64F1/06
代理机构
代理人
主权项
地址
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