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发明名称
Airplane landing field
摘要
申请公布号
US1830978(A)
申请公布日期
1931.11.10
申请号
US19290406445
申请日期
1929.11.11
申请人
CLAYTON BELLEVILLE HARRY
发明人
BELLEVILLE HARRY CLAYTON
分类号
B64F1/36
主分类号
B64F1/36
代理机构
代理人
主权项
地址
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