Title:
坩堝およびそれを用いた重ね坩堝装置ならびに内坩堝の使用回数を決める方法
Document Type and Number:
Japanese Patent JP6607390
Kind Code:
B2
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Inventors:
Masayoshi Date
Application Number:
JP2015257665A
Publication Date:
November 20, 2019
Filing Date:
December 29, 2015
Export Citation:
Assignee:
Hitachi Metals Co., Ltd.
International Classes:
F27B14/10; F27B14/20
Domestic Patent References:
| JP11211361A | ||||
| JP2009228919A | ||||
| JP2015081225A | ||||
| JP2263092A |