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发明名称
Dry cell
摘要
申请公布号
US1949586(A)
申请公布日期
1934.03.06
申请号
US19300459161
申请日期
1930.06.04
申请人
NATIONAL CARBON COMPANY, INC.
发明人
SMITH RALPH R.
分类号
H01M2/30
主分类号
H01M2/30
代理机构
代理人
主权项
地址
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