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发明名称
Pneumatic arch support
摘要
申请公布号
US2600957(A)
申请公布日期
1952.06.17
申请号
US19490133796
申请日期
1949.12.19
申请人
FRANK BARTIS
发明人
BARTIS FRANK
分类号
A43B13/20
主分类号
A43B13/20
代理机构
代理人
主权项
地址
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