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发明名称
Magnetic holding unit
摘要
申请公布号
US3294433(A)
申请公布日期
1966.12.27
申请号
US19640418977
申请日期
1964.12.17
申请人
LAWRENCE BROTHERS, INC.
发明人
GRANZOW KURT H.
分类号
E05C19/16
主分类号
E05C19/16
代理机构
代理人
主权项
地址
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