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发明名称
Ballast devices for skin divers
摘要
申请公布号
US3342036(A)
申请公布日期
1967.09.19
申请号
US19640348096
申请日期
1964.02.28
申请人
ANDRE GRUGET
发明人
GRUGET ANDRE
分类号
B63C11/30
主分类号
B63C11/30
代理机构
代理人
主权项
地址
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