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发明名称
Indicating device for material treating apparatus
摘要
申请公布号
US2405059(A)
申请公布日期
1946.07.30
申请号
US19430505732
申请日期
1943.10.11
申请人
F. L. SMIDTH & CO.
发明人
SAHMEL VIGGO
分类号
B01J19/10;B02C25/00
主分类号
B01J19/10
代理机构
代理人
主权项
地址
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