Title:
【発明の名称】炭酸ガスレーザビーム用ミキシングフィルタ
Document Type and Number:
Japanese Patent JP2669931
Kind Code:
B2
Inventors:
Hiromi Iwamoto
Application Number:
JP28983690A
Publication Date:
October 29, 1997
Filing Date:
October 25, 1990
Export Citation:
Assignee:
Sumitomo Electric Industries, Ltd.
International Classes:
G02B5/28; G02B1/10; G02B1/115; (IPC1-7): G02B5/28; G02B1/10
Domestic Patent References:
| JP5727213A | ||||
| JP2193104A | ||||
| JP58159512U | ||||
| JP5759467U |
Attorney, Agent or Firm:
Fukami Hisaro (2 outside)