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经营范围
发明名称
Pickup arm
摘要
申请公布号
US2236599(A)
申请公布日期
1941.04.01
申请号
US19380223442
申请日期
1938.08.06
申请人
HUTTER WILLIAM H
发明人
HUTTER WILLIAM H.
分类号
G11B3/02
主分类号
G11B3/02
代理机构
代理人
主权项
地址
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