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经营范围
发明名称
Paper stack gauge
摘要
申请公布号
US2799939(A)
申请公布日期
1957.07.23
申请号
US19550493805
申请日期
1955.03.11
申请人
IRA BIVANS
发明人
BIVANS IRA
分类号
G01B5/06
主分类号
G01B5/06
代理机构
代理人
主权项
地址
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