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发明名称
PRODUCTION OF OPTICAL BRANCHING DEVICE
摘要
申请公布号
JPS5440647(A)
申请公布日期
1979.03.30
申请号
JP19770106343
申请日期
1977.09.06
申请人
HITACHI LTD
发明人
FUJITA HIROYUKI;MIYAKE KIYOHIDE;YAMAGUCHI KOUJI
分类号
G02B6/28;G02B5/00;G02B27/10
主分类号
G02B6/28
代理机构
代理人
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地址
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