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经营范围
发明名称
Battery cap apparatus
摘要
申请公布号
US2687449(A)
申请公布日期
1954.08.24
申请号
US19530374552
申请日期
1953.08.17
申请人
INDUSTRIAL RESEARCH, INC.
发明人
GULICK HAROLD M.;STEDMAN CRESSWELL E.
分类号
H01M10/52
主分类号
H01M10/52
代理机构
代理人
主权项
地址
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