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发明名称
Mass presence sensing device
摘要
申请公布号
US2973639(A)
申请公布日期
1961.03.07
申请号
US19550526424
申请日期
1955.08.04
申请人
AUTOMATION PRODUCTS, INC.
发明人
BANKS WILLIAM B.
分类号
G01F23/296
主分类号
G01F23/296
代理机构
代理人
主权项
地址
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