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发明名称
Electrical counting and computing system for lengths of material
摘要
申请公布号
US2691486(A)
申请公布日期
1954.10.12
申请号
US19520287323
申请日期
1952.05.12
申请人
WORK JR THOMAS A
发明人
JR. THOMAS A. WORK,
分类号
G06M1/10;G06M7/00
主分类号
G06M1/10
代理机构
代理人
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地址
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