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发明名称
DROP SEAT
摘要
申请公布号
US3587569(A)
申请公布日期
1971.06.28
申请号
USD3587569
申请日期
1968.10.14
申请人
AMERICAN REHABILITATION FOUNDATION INC.
发明人
LORRIN H. MADSEN
分类号
A61G5/10;A61G7/057;A61H1/00;(IPC1-7):A61H1/00
主分类号
A61G5/10
代理机构
代理人
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地址
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