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发明名称
Method and apparatus for handling powdered material
摘要
申请公布号
US2170258(A)
申请公布日期
1939.08.22
申请号
US19370160954
申请日期
1937.08.26
申请人
F. L. SMIDTH & COMPANY
发明人
BORCH NIELS SOFUS
分类号
B65D88/72
主分类号
B65D88/72
代理机构
代理人
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地址
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