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经营范围
发明名称
Umpire's belt
摘要
申请公布号
US1814887(A)
申请公布日期
1931.07.14
申请号
US19280312104
申请日期
1928.10.12
申请人
BENDER FREDERICK W
发明人
BENDER FREDERICK W.
分类号
A41F9/00;A63B47/00
主分类号
A41F9/00
代理机构
代理人
主权项
地址
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