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发明名称
SHOW CARD
摘要
申请公布号
CA425608(A)
申请公布日期
1945.02.20
申请号
CAD425608
申请日期
申请人
BARON WOOLF;FRANK HENRY HADLEY
发明人
BARON WOOLF;FRANK HENRY HADLEY
分类号
主分类号
代理机构
代理人
主权项
地址
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