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经营范围
发明名称
Multiple groove expanding pulley
摘要
申请公布号
US2031712(A)
申请公布日期
1936.02.25
申请号
US19330698330
申请日期
1933.11.16
申请人
MARCEL JANNIN
发明人
JANNIN MARCEL
分类号
F16H9/16
主分类号
F16H9/16
代理机构
代理人
主权项
地址
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