- 专利标题: Physical therapy exercise frame
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申请号: US40581申请日: 1987-04-20
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公开(公告)号: USD306467S公开(公告)日: 1990-03-06
- 设计人: David C. Smith
- 申请人: David C. Smith
公开/授权文献
- US6144371A Thinkscribe combined electronic and paper based scheduling 公开/授权日:2000-11-07
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