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经营范围
发明名称
Improvements in and relating to ring springs
摘要
申请公布号
GB553606(A)
申请公布日期
1943.05.28
申请号
GB19410014869
申请日期
1941.11.19
申请人
BOULTON PAUL AIRCRAFT LIMITED;SEYMOUR CUNNINGHAM REDSHAW
发明人
分类号
F41A25/10
主分类号
F41A25/10
代理机构
代理人
主权项
地址
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