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发明名称
Integrated optical device and method for manufacturing thereof
摘要
申请公布号
US4978188(A)
申请公布日期
1990.12.18
申请号
US19890421400
申请日期
1989.10.13
申请人
NIPPON TELEGRAPH AND TELEPHONE CORPORATION
发明人
KAWACHI, MASAO;TAKATO, NORIO;JINGUJI, KANAME;SUGITA, AKIO;SUMIDA, SHIN
分类号
G02B6/122;G02B6/10;G02B6/12;G02B6/126;G02B6/13;G02B6/14;G02B6/34;G02F1/01
主分类号
G02B6/122
代理机构
代理人
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