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发明名称
摘要
申请公布号
JPS4917968(B1)
申请公布日期
1974.05.07
申请号
JP19700068633
申请日期
1970.08.07
申请人
发明人
分类号
F01L3/02;B22F3/26;C22C38/00
主分类号
F01L3/02
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代理人
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地址
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