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发明名称
Machine for grading articles by weight
摘要
申请公布号
US2797807(A)
申请公布日期
1957.07.02
申请号
US19560562181
申请日期
1956.01.30
申请人
BUTTERFIELD LOUIS M
发明人
BUTTERFIELD LOUIS M.
分类号
B07C5/22
主分类号
B07C5/22
代理机构
代理人
主权项
地址
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