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发明名称
Throat collar
摘要
申请公布号
US2250840(A)
申请公布日期
1941.07.29
申请号
US19400338802
申请日期
1940.06.04
申请人
EDWARD POMERANZ
发明人
POMERANZ EDWARD
分类号
A61F7/02;A61F7/08
主分类号
A61F7/02
代理机构
代理人
主权项
地址
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