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发明名称
Toy scubas
摘要
申请公布号
US2975439(A)
申请公布日期
1961.03.21
申请号
US19590799614
申请日期
1959.03.16
申请人
WALLACE BENTLEY
发明人
BENTLEY WALLACE
分类号
B63C11/20
主分类号
B63C11/20
代理机构
代理人
主权项
地址
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