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发明名称
PHOTO DIRECTIVITY COUPLER AND ITS PRODUCTION
摘要
申请公布号
JPS537346(A)
申请公布日期
1978.01.23
申请号
JP19760082096
申请日期
1976.07.09
申请人
NIPPON ELECTRIC CO
发明人
ASAKAWA KIYOSHI
分类号
H01P5/18;G02B6/122
主分类号
H01P5/18
代理机构
代理人
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