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发明名称
TIME ACCUMULATOR FOR ACCUMULATING WORKERS' TIME ON THE JOB
摘要
申请公布号
US3665165(A)
申请公布日期
1972.05.23
申请号
USD3665165
申请日期
1970.08.03
申请人
STRANDBERG ENGINEERING LABORATORIES INC.
发明人
CHARLES F. STRANDBERG JR.;ROBERT C. STRANDBERG;JERRY M. KENNON
分类号
G01D1/18;G07C1/06;(IPC1-7):G07C3/10
主分类号
G01D1/18
代理机构
代理人
主权项
地址
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