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经营范围
发明名称
Under water respirator masks
摘要
申请公布号
US2725876(A)
申请公布日期
1955.12.06
申请号
US19520297921
申请日期
1952.07.09
申请人
ANDRE MAILLE
发明人
MAILLE ANDRE
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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包装
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Electric cylinder
