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发明名称
Ratcheting mechanism
摘要
申请公布号
US2269858(A)
申请公布日期
1942.01.13
申请号
US19400362103
申请日期
1940.10.21
申请人
GUARDIAN ELECTRIC MANUFACTURING CO.
发明人
OBSZARNY THEODORE
分类号
H01H63/20
主分类号
H01H63/20
代理机构
代理人
主权项
地址
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