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摘要
申请公布号
US1750343(A)
申请公布日期
1930.03.11
申请号
US19290332045
申请日期
1929.01.12
申请人
BARRY JOSEPH R
发明人
BARRY JOSEPH R.
分类号
B60J1/20
主分类号
B60J1/20
代理机构
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