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发明名称
摘要
申请公布号
JPS6140309(B2)
申请公布日期
1986.09.08
申请号
JP19830203620
申请日期
1983.11.01
申请人
DOWA KOGYO KK;DOWA KINZOKU KAIHATSU SENTAA KK
发明人
KO SHIRO;WADA KATSUYASU;NAMIOKA KAZUHIKO;HITOMI MASUO
分类号
C23C22/52
主分类号
C23C22/52
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