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发明名称
OPTICAL TWO-BRANCHING COUPLER
摘要
申请公布号
JPH02125206(A)
申请公布日期
1990.05.14
申请号
JP19880279058
申请日期
1988.11.04
申请人
ASAHI CHEM IND CO LTD
发明人
SHIMIZU TADASHI;IKEDA AKIHIKO;SATO MASANOBU
分类号
G02B6/28
主分类号
G02B6/28
代理机构
代理人
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地址
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