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经营范围
发明名称
Bowling alley gutter cleaner
摘要
申请公布号
US2509604(A)
申请公布日期
1950.05.30
申请号
US19480037139
申请日期
1948.07.06
申请人
MCGREGOR DELBERT A
发明人
MCGREGOR DELBERT A.
分类号
A63D5/10
主分类号
A63D5/10
代理机构
代理人
主权项
地址
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