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发明名称
Nozzle skirt for blast guns
摘要
申请公布号
US2503743(A)
申请公布日期
1950.04.11
申请号
US19480001886
申请日期
1948.01.12
申请人
PANGBORN CORPORATION
发明人
KEEFER WALTER L.
分类号
B24C5/04
主分类号
B24C5/04
代理机构
代理人
主权项
地址
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