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发明名称
WHIRLING BALL AMUSEMENT DEVICE
摘要
申请公布号
CA888834(A)
申请公布日期
1971.12.21
申请号
CAD888834
申请日期
申请人
JOHN S. MIKOVEC;JACK Q. LARSON
发明人
JACK Q. LARSON;JOHN S. MIKOVEC
分类号
主分类号
代理机构
代理人
主权项
地址
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