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经营范围
发明名称
FIBER FOR OPTICAL COMMUNICATION AND ITS PRODUCTION
摘要
申请公布号
JPS55151604(A)
申请公布日期
1980.11.26
申请号
JP19790059994
申请日期
1979.05.15
申请人
NIPPON TELEGRAPH & TELEPHONE;SUMITOMO ELECTRIC INDUSTRIES
发明人
ISHIDA YUKINORI;WATANABE MINORU;KUROSAKI SHIROU
分类号
C03C25/42;G02B6/44
主分类号
C03C25/42
代理机构
代理人
主权项
地址
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