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经营范围
发明名称
PISTON RING GRINDING APPARATUS
摘要
申请公布号
CA298260(A)
申请公布日期
1930.03.11
申请号
CAD298260
申请日期
申请人
THE MUSKEGON PISTON RING COMPANY
发明人
GEORGE W. OLSON
分类号
主分类号
代理机构
代理人
主权项
地址
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