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发明名称
Amusement device
摘要
申请公布号
US2291104(A)
申请公布日期
1942.07.28
申请号
US19400335695
申请日期
1940.05.17
申请人
RADZYNER SAMUEL M
发明人
RADZYNER SAMUEL M.
分类号
G02B27/06
主分类号
G02B27/06
代理机构
代理人
主权项
地址
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