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发明名称
Aquatic amusement device
摘要
申请公布号
US2139022(A)
申请公布日期
1938.12.06
申请号
US19360098343
申请日期
1936.08.28
申请人
JOHNSON JOHN G
发明人
JOHNSON JOHN G.
分类号
B63H1/32
主分类号
B63H1/32
代理机构
代理人
主权项
地址
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