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发明名称
Bubble-blowing toys
摘要
申请公布号
US2842894(A)
申请公布日期
1958.07.15
申请号
US19570638842
申请日期
1957.02.07
申请人
WALDEN HENRY W
发明人
WALDEN HENRY W.
分类号
A63H33/28
主分类号
A63H33/28
代理机构
代理人
主权项
地址
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