Title:
【発明の名称】石英ガラス製シリンダーの製造法及び装置
Document Type and Number:
Japanese Patent JP2798465
Kind Code:
B2
Inventors:
Yoshihiko Goto
Mark, Elle, Sandiffer
Hirano Itsu
Mark, Elle, Sandiffer
Hirano Itsu
Application Number:
JP4604890A
Publication Date:
September 17, 1998
Filing Date:
February 27, 1990
Export Citation:
Assignee:
Nippon Quartz Glass Co., Ltd.
Yamaguchi Nippon Quartz Co., Ltd.
Yamaguchi Nippon Quartz Co., Ltd.
International Classes:
C03B20/00; C03B23/043; C03B23/045; C03B23/047; (IPC1-7): C03B23/045; C03B20/00; C03B23/043
Domestic Patent References:
| JP3111537U | ||||
| JP5535297Y2 |
Attorney, Agent or Firm:
Honda Kodaira (3 outside)