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经营范围
发明名称
Submarine mask
摘要
申请公布号
US2534568(A)
申请公布日期
1950.12.19
申请号
US19470770796
申请日期
1947.08.27
申请人
PIRELLI SOCIETA PER AZIONI
发明人
BEDINI NERINO;VESIGNA ROSCILD;GIULIANI PASQUALE
分类号
B63C11/16
主分类号
B63C11/16
代理机构
代理人
主权项
地址
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