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发明名称
Sand mixer for sand blast machines
摘要
申请公布号
US1923329(A)
申请公布日期
1933.08.22
申请号
US19290373154
申请日期
1929.06.24
申请人
RICHARD RUEMELIN
发明人
RUEMELIN RICHARD
分类号
B24C7/00
主分类号
B24C7/00
代理机构
代理人
主权项
地址
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