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发明名称
Ice fishing signal device
摘要
申请公布号
US2786294(A)
申请公布日期
1957.03.26
申请号
US19560591460
申请日期
1956.06.14
申请人
WHITACRE JOHN D
发明人
WHITACRE JOHN D.
分类号
A01K97/01
主分类号
A01K97/01
代理机构
代理人
主权项
地址
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