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发明名称
Relay
摘要
申请公布号
US2443991(A)
申请公布日期
1948.06.22
申请号
US19470723121
申请日期
1947.01.20
申请人
THE WEBER DENTAL MANUFACTURING CO.
发明人
PENNIMAN IRA B.
分类号
H01H51/12
主分类号
H01H51/12
代理机构
代理人
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地址
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