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经营范围
发明名称
TRAINING DEVICE
摘要
申请公布号
US3546352(A)
申请公布日期
1970.12.08
申请号
USD3546352
申请日期
1968.06.06
申请人
HARRY E. BRYAN
发明人
HARRY E. BRYAN
分类号
G09B9/26;(IPC1-7):G09B9/02
主分类号
G09B9/26
代理机构
代理人
主权项
地址
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