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发明名称
CONTRAPESO PARA SUBMARINISTAS.
摘要
申请公布号
ES221357(Y)
申请公布日期
1977.06.01
申请号
ES19570002213U
申请日期
1976.05.14
申请人
发明人
分类号
B63C11/30;(IPC1-7):63C/
主分类号
B63C11/30
代理机构
代理人
主权项
地址
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