Title:
石英ルツボ
Document Type and Number:
Japanese Patent JP4466175
Kind Code:
B2
Inventors:
Soichiro Kondo
Application Number:
JP2004118451A
Publication Date:
May 26, 2010
Filing Date:
April 14, 2004
Export Citation:
Assignee:
Sumco inc.
International Classes:
C03B20/00; C30B29/06; C30B15/10
Domestic Patent References:
| JP63011573U | ||||
| JP2002154892A | ||||
| JP2188488A | ||||
| JP51144574A |
Attorney, Agent or Firm:
Masayoshi Suda