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发明名称
Improvements in apparatus for testing metal coins, tokens, or the like
摘要
申请公布号
GB423298(A)
申请公布日期
1935.01.29
申请号
GB19340028060
申请日期
1934.10.01
申请人
ROBERT JOHN LYTTLE
发明人
分类号
主分类号
代理机构
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