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发明名称
摘要
申请公布号
DE3133695(C2)
申请公布日期
1989.11.30
申请号
DE19813133695
申请日期
1981.08.26
申请人
SUMITOMO ELECTRIC INDUSTRIES, LTD., OSAKA, JP;NIPPON TELEGRAPH AND TELEPHONE CORP., TOKIO/TOKYO, JP
发明人
YUKIYASU, NEGISHI;YUKINORI, ISHIDA, MITO, IBARAKI, JP;YASUNORI, SAITO, YOKOHAMA, JP;SHIGERU, TANAKA, YOKOHAMA, KANAGAWA, JP
分类号
H01B7/17;G02B6/44
主分类号
H01B7/17
代理机构
代理人
主权项
地址
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