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经营范围
发明名称
Method and apparatus for showing uniformity of sheet formation in paper making machines
摘要
申请公布号
US1969546(A)
申请公布日期
1934.08.07
申请号
US19330703939
申请日期
1933.12.26
申请人
BROUGHTON ARTHUR E
发明人
BROUGHTON ARTHUR E.
分类号
D21G9/00
主分类号
D21G9/00
代理机构
代理人
主权项
地址
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