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经营范围
发明名称
Improvements in airships
摘要
申请公布号
GB357848(A)
申请公布日期
1931.10.01
申请号
GB19300034602
申请日期
1930.11.17
申请人
WILLIS C. WARD
发明人
分类号
B64B1/00
主分类号
B64B1/00
代理机构
代理人
主权项
地址
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