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发明名称
Closure
摘要
申请公布号
US2454214(A)
申请公布日期
1948.11.16
申请号
US19450600677
申请日期
1945.06.21
申请人
THE B. F. GOODRICH COMPANY
发明人
SAPP JOHN P.
分类号
A44B19/32
主分类号
A44B19/32
代理机构
代理人
主权项
地址
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