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发明名称
APPARATUS FOR HEAT-TREATING PISTON RINGS
摘要
申请公布号
CA512775(A)
申请公布日期
1955.05.10
申请号
CAD512775
申请日期
申请人
RAMSEY CORPORATION
发明人
CARL E. LIPPMANN;MELVIN W. MARIEN
分类号
主分类号
代理机构
代理人
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