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经营范围
发明名称
Couvercle d'écoutille
摘要
申请公布号
FR1313353(A)
申请公布日期
1962.12.28
申请号
FR19610881040
申请日期
1961.12.05
申请人
PNEUMODYNAMICS CORPORATION
发明人
分类号
B63B19/197
主分类号
B63B19/197
代理机构
代理人
主权项
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