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发明名称
ELECTRICAL INSULATOR
摘要
申请公布号
CA390544(A)
申请公布日期
1940.08.06
申请号
CAD390544
申请日期
申请人
THE OHIO BRASS COMPANY
发明人
WILLIAM A. SMITH
分类号
主分类号
代理机构
代理人
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地址
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