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发明名称
Barrelhead for tumbling mills
摘要
申请公布号
US2334334(A)
申请公布日期
1943.11.16
申请号
US19430479830
申请日期
1943.03.20
申请人
JOHN LAPSHANSKY
发明人
LAPSHANSKY JOHN
分类号
B24C3/26
主分类号
B24C3/26
代理机构
代理人
主权项
地址
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