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发明名称
Journal wiper
摘要
申请公布号
US2500984(A)
申请公布日期
1950.03.21
申请号
US19440555229
申请日期
1944.09.22
申请人
GEWIN WILLIAM M
发明人
GEWIN WILLIAM M.
分类号
B61F17/06
主分类号
B61F17/06
代理机构
代理人
主权项
地址
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