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发明名称
Leg extension device
摘要
申请公布号
US3346882(A)
申请公布日期
1967.10.17
申请号
US19640404710
申请日期
1964.10.19
申请人
TOPPER TOOLS, INC.
发明人
WILHOYTE HOWARD J.
分类号
A61F3/00;A63B25/00
主分类号
A61F3/00
代理机构
代理人
主权项
地址
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