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经营范围
发明名称
DISC FILTER SCRAPING DEVICE
摘要
申请公布号
PL108262(B1)
申请公布日期
1980.03.31
申请号
PL19770203330
申请日期
1977.12.22
申请人
发明人
分类号
B01D;B01D35/16;(IPC1-7):B01D35/16
主分类号
B01D
代理机构
代理人
主权项
地址
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