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发明名称
Belt and the like and method of making same
摘要
申请公布号
US1746752(A)
申请公布日期
1930.02.11
申请号
US19280245516
申请日期
1928.01.09
申请人
FRANK WELCH
发明人
WELCH FRANK
分类号
F16G9/00
主分类号
F16G9/00
代理机构
代理人
主权项
地址
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