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发明名称
Bowling alley sanding machine
摘要
申请公布号
US2489398(A)
申请公布日期
1949.11.29
申请号
US19470759513
申请日期
1947.07.08
申请人
BRYAN JOHN W
发明人
BRYAN JOHN W.
分类号
B24B7/18
主分类号
B24B7/18
代理机构
代理人
主权项
地址
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