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发明名称
Protecting means for heated cylinders and their bearings
摘要
申请公布号
US2635016(A)
申请公布日期
1953.04.14
申请号
US19510253177
申请日期
1951.10.25
申请人
MICHAEL DONIAK
发明人
DONIAK MICHAEL
分类号
D21F5/02;F16C33/78
主分类号
D21F5/02
代理机构
代理人
主权项
地址
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