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发明名称
Weighing and weight change indicating device
摘要
申请公布号
US2157706(A)
申请公布日期
1939.05.09
申请号
US19380197057
申请日期
1938.03.21
申请人
THE GRIFFITH LABORATORIES, INC.
发明人
JONES W. BARTLETT
分类号
G01G19/22
主分类号
G01G19/22
代理机构
代理人
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地址
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