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发明名称
Dry cell sealing device
摘要
申请公布号
US1827416(A)
申请公布日期
1931.10.13
申请号
US19250026027
申请日期
1925.04.27
申请人
NATIONAL CARBON COMPANY, INC.
发明人
BIRDSALL WILFRED T.
分类号
H01M6/08
主分类号
H01M6/08
代理机构
代理人
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地址
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