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发明名称
Whire-whistle
摘要
申请公布号
US1901547(A)
申请公布日期
1933.03.14
申请号
US19320587033
申请日期
1932.01.16
申请人
HENRY BRADY JAMES
发明人
BRADY JAMES HENRY
分类号
A63H1/32
主分类号
A63H1/32
代理机构
代理人
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