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发明名称
APPARATUS FOR CLEANING CSREENS IN SIFTERS
摘要
申请公布号
PL135997(B1)
申请公布日期
1986.01.31
申请号
PL19830241139
申请日期
1983.03.22
申请人
发明人
分类号
B07B1/52;G07C;(IPC1-7):B07B1/52
主分类号
B07B1/52
代理机构
代理人
主权项
地址
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