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经营范围
发明名称
Adjustable abdominal exercising apparatus
摘要
申请公布号
US2240228(A)
申请公布日期
1941.04.29
申请号
US19400342146
申请日期
1940.06.24
申请人
SCHALL MYRON R
发明人
SCHALL MYRON R.
分类号
A63B23/02
主分类号
A63B23/02
代理机构
代理人
主权项
地址
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