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发明名称
Journal wiper
摘要
申请公布号
US2214727(A)
申请公布日期
1940.09.17
申请号
US19390264175
申请日期
1939.03.25
申请人
WILBERT G. WILSON
发明人
GEWIN WILLIAM M.
分类号
B61F17/06;F16N7/18;F16N31/02
主分类号
B61F17/06
代理机构
代理人
主权项
地址
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