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发明名称
Composite material
摘要
申请公布号
US2531931(A)
申请公布日期
1950.11.28
申请号
US19460673881
申请日期
1946.06.01
申请人
ARKELL SAFETY BAG COMPANY
发明人
ARKELL WILLIAM C.
分类号
D06M23/18
主分类号
D06M23/18
代理机构
代理人
主权项
地址
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