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发明名称
Improvements in or relating to magnetic ball joints
摘要
申请公布号
GB816455(A)
申请公布日期
1959.07.15
申请号
GB19570006904
申请日期
1957.03.01
申请人
PHILIPS ELECTRICAL INDUSTRIES LIMITED
发明人
分类号
F16M11/14;F21V21/29
主分类号
F16M11/14
代理机构
代理人
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地址
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