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发明名称
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摘要
申请公布号
US3009350(A)
申请公布日期
1961.11.21
申请号
US19590835869
申请日期
1959.08.25
申请人
HAYNES VIRGIL D
发明人
HAYNES VIRGIL D.
分类号
A44B15/00
主分类号
A44B15/00
代理机构
代理人
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