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经营范围
发明名称
Sand blast apparatus
摘要
申请公布号
US1882541(A)
申请公布日期
1932.10.11
申请号
US19290416047
申请日期
1929.12.23
申请人
JAMES WILLIAM BALL
发明人
BILLMAN CARL H.
分类号
B24C3/06
主分类号
B24C3/06
代理机构
代理人
主权项
地址
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