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发明名称
PISTON RING BORING MACHINE
摘要
申请公布号
CA466133(A)
申请公布日期
1950.06.27
申请号
CAD466133
申请日期
申请人
BURD PISTON RING COMPANY
发明人
ALBERT H. BATES
分类号
主分类号
代理机构
代理人
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