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发明名称
SPRING TYPE EXERCISERS
摘要
申请公布号
US3451675(A)
申请公布日期
1969.06.24
申请号
USD3451675
申请日期
1966.09.14
申请人
RALPH A. BURZENSKI
发明人
RALPH A. BURZENSKI
分类号
A63B21/02;A63B21/045;(IPC1-7):A63B21/02;F16F1/12
主分类号
A63B21/02
代理机构
代理人
主权项
地址
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