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发明名称
Keyboard clearing mechanism
摘要
申请公布号
US2636679(A)
申请公布日期
1953.04.28
申请号
US19500184664
申请日期
1950.09.13
申请人
MONROE CALCULATING MACHINE COMPANY
发明人
GANG HERMAN
分类号
G06C7/04
主分类号
G06C7/04
代理机构
代理人
主权项
地址
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THERMOSTATIC SWITCH
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