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发明名称
Injection molding die apparatus for use in the production of substrate of optical disk
摘要
申请公布号
US5018962(A)
申请公布日期
1991.05.28
申请号
US19890409898
申请日期
1989.09.20
申请人
SUMITOMO HEAVY INDUSTRIES, LTD.
发明人
KITAMURA, TAKEHIKO;AMANO, HIROSATO;KAITA, MASAHARU
分类号
B29C45/26;B29C45/40;B29L17/00;G11B7/26
主分类号
B29C45/26
代理机构
代理人
主权项
地址
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