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发明名称
Bearing shield
摘要
申请公布号
US2350089(A)
申请公布日期
1944.05.30
申请号
US19430488014
申请日期
1943.05.22
申请人
ALCO-GRAVURE DIVISION OF PUBLICATION CORPORATION
发明人
BEHRINGER ALFRED
分类号
B41F13/20;B41F13/42
主分类号
B41F13/20
代理机构
代理人
主权项
地址
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