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发明名称
Cellular core including perimeter passageway means
摘要
申请公布号
US3389748(A)
申请公布日期
1968.06.25
申请号
US19660561093
申请日期
1966.06.28
申请人
AARON L. HITCHENS
发明人
HITCHENS AARON L.
分类号
B21D47/00;B31D3/02;B64C3/00
主分类号
B21D47/00
代理机构
代理人
主权项
地址
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