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发明名称
Multi-disc rotary breaker and scraper
摘要
申请公布号
US2985206(A)
申请公布日期
1961.05.23
申请号
US19600024366
申请日期
1960.04.25
申请人
LETTS WALTER W
发明人
LETTS WALTER W.
分类号
B23Q17/22;B27B5/36;B27L1/10
主分类号
B23Q17/22
代理机构
代理人
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地址
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