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发明名称
Battery grid
摘要
申请公布号
US2621219(A)
申请公布日期
1952.12.09
申请号
US19500177110
申请日期
1950.08.01
申请人
WINKEL HERBERT C
发明人
WINKEL HERBERT C.
分类号
B22D25/04
主分类号
B22D25/04
代理机构
代理人
主权项
地址
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