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发明名称
摘要
申请公布号
JPH032937(B2)
申请公布日期
1991.01.17
申请号
JP19830023911
申请日期
1983.02.16
申请人
TANAKA PRECIOUS METAL IND
发明人
TAMEMASA HIROSHI
分类号
C22C5/04
主分类号
C22C5/04
代理机构
代理人
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