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发明名称
Timing device
摘要
申请公布号
US2437556(A)
申请公布日期
1948.03.09
申请号
US19450619681
申请日期
1945.10.01
申请人
M. H. RHODES, INC.
发明人
RHODES MARCUS H.
分类号
G07F17/24
主分类号
G07F17/24
代理机构
代理人
主权项
地址
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