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发明名称
ALLOY
摘要
申请公布号
GB8506986(D0)
申请公布日期
1985.04.24
申请号
GB19850006986
申请日期
1984.03.23
申请人
NIPPON PISTON RING CO LTD
发明人
分类号
B22F5/00;C22C33/02;C22C38/00
主分类号
B22F5/00
代理机构
代理人
主权项
地址
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