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发明名称
Improvements in or relating to counting apparatus
摘要
申请公布号
GB546294(A)
申请公布日期
1942.07.06
申请号
GB19410005205
申请日期
1939.10.23
申请人
ADDRESSOGRAPH-MULTIGRAPH CORPORATION
发明人
分类号
H03K23/74
主分类号
H03K23/74
代理机构
代理人
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