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发明名称
Improvements in vibratory sieves
摘要
申请公布号
GB475638(A)
申请公布日期
1937.11.23
申请号
GB19370016290
申请日期
1937.06.11
申请人
KARL GROEPPEL
发明人
分类号
B06B1/12;B07B1/30
主分类号
B06B1/12
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代理人
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