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经营范围
发明名称
Submarine barrier
摘要
申请公布号
US2056570(A)
申请公布日期
1936.10.06
申请号
US19330689030
申请日期
1933.09.11
申请人
EMANUELE ELIA GIOVANNI
发明人
ELIA GIOVANNI EMANUELE
分类号
F42B22/24
主分类号
F42B22/24
代理机构
代理人
主权项
地址
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