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发明名称
Pivotal disk clamp
摘要
申请公布号
US2614783(A)
申请公布日期
1952.10.21
申请号
US19490091599
申请日期
1949.05.05
申请人
SPEAR WESLEY J
发明人
SPEAR WESLEY J.
分类号
F21K5/12
主分类号
F21K5/12
代理机构
代理人
主权项
地址
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