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经营范围
发明名称
SCRAPER FOR CLEANING GARBAGE CHUTE PIPES
摘要
申请公布号
PL260663(A1)
申请公布日期
1988.06.09
申请号
PL19860260663
申请日期
1986.07.15
申请人
发明人
分类号
B08B;B08B1/00;B08B9/02;(IPC1-7):B08B/
主分类号
B08B
代理机构
代理人
主权项
地址
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