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发明名称
Nut
摘要
申请公布号
US2017493(A)
申请公布日期
1935.10.15
申请号
US19330703879
申请日期
1933.12.26
申请人
GLOWACKI JOHN B
发明人
GLOWACKI JOHN B.
分类号
H01H85/143
主分类号
H01H85/143
代理机构
代理人
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地址
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