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发明名称
CORE PARALLEL FEED DEVICE OF SPECTACLES
摘要
申请公布号
JPS5538552(A)
申请公布日期
1980.03.18
申请号
JP19780111858
申请日期
1978.09.11
申请人
SANRIIBU GANKIYOU KK
发明人
ISHIKAWA KAZUNOBU
分类号
B21F23/00;G02C1/00;G02C13/00
主分类号
B21F23/00
代理机构
代理人
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