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Title:
石英ガラス原料粉の精製方法
Document Type and Number:
Japanese Patent JP5311574
Kind Code:
B2
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Inventors:
Isao Maeda
Application Number:
JP2009221841A
Publication Date:
October 09, 2013
Filing Date:
September 28, 2009
Export Citation:
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Assignee:
Covalent Materials Co., Ltd.
International Classes:
C01B33/12; B03C1/16; B03C7/02; B03C7/12; C01B33/18
Domestic Patent References:
JP59127659A
JP2002204980A
JP2003119018A
JP2009165997A
JP2008238140A
Attorney, Agent or Firm:
Kinoshita Shigeru
Rie Ishimura



 
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