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发明名称
Belt
摘要
申请公布号
US2442621(A)
申请公布日期
1948.06.01
申请号
US19470749531
申请日期
1947.05.21
申请人
M. SLIFKA & SONS, INC.
发明人
SILVERSTEIN RALPH
分类号
A41F9/00
主分类号
A41F9/00
代理机构
代理人
主权项
地址
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