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发明名称
Current inventory apparatus
摘要
申请公布号
US1844266(A)
申请公布日期
1932.02.09
申请号
US19290389727
申请日期
1929.08.31
申请人
SMITH JOHN D
发明人
SMITH JOHN D.
分类号
B42D19/00
主分类号
B42D19/00
代理机构
代理人
主权项
地址
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