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发明名称
SHIELD WITH MAGNETIC CONNECTING RING
摘要
申请公布号
US3449965(A)
申请公布日期
1969.06.17
申请号
USD3449965
申请日期
1967.01.16
申请人
CHARLES W. ROSS
发明人
CHARLES W. ROSS
分类号
F16J15/52;F16J15/53;G05G25/04;(IPC1-7):F16J15/52;F16J15/18
主分类号
F16J15/52
代理机构
代理人
主权项
地址
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