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发明名称
Reel with holding groove
摘要
申请公布号
US3284016(A)
申请公布日期
1966.11.08
申请号
US19650483936
申请日期
1965.08.31
申请人
MIETTUNEN PAUL A
发明人
MIETTUNEN PAUL A.
分类号
G11B15/67
主分类号
G11B15/67
代理机构
代理人
主权项
地址
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