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发明名称
Coated pulley
摘要
申请公布号
US1748100(A)
申请公布日期
1930.02.25
申请号
US19280249559
申请日期
1928.01.26
申请人
AVERY EDWARD S
发明人
AVERY EDWARD S.
分类号
F16H55/38
主分类号
F16H55/38
代理机构
代理人
主权项
地址
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