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发明名称
Bearing structure for conveyer rollers and the like
摘要
申请公布号
US2446616(A)
申请公布日期
1948.08.10
申请号
US19450633317
申请日期
1945.12.07
申请人
SMITH FRANKLIN N
发明人
SMITH FRANKLIN N.
分类号
B65G39/09;F16C33/66
主分类号
B65G39/09
代理机构
代理人
主权项
地址
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