Patent search ap:("CSELT CENTRO STUDI LAB TELECOM") AND inv:"JIYAKOMO ROOBA" Page 1

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发明专利
METHOD AND DEVICE FOR MANUFACTURING OPTICAL FIBER PREFORM 失效

公开(公告)号：JPS58156550A

公开(公告)日：1983-09-17

申请号：JP2494083

申请日：1983-02-18

Applicant: CSELT CENTRO STUDI LAB TELECOM

Inventor： JIYAKOMO ROOBA

IPC: C03B37/018 , C03B37/025 , C03C17/02 , G02B6/00

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