Title:
【考案の名称】真空ベントバルブ
Document Type and Number:
Japanese Patent JP2558374
Kind Code:
Y2
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Inventors:
Toshiaki Kinoyama
Application Number:
JP883192U
Publication Date:
December 24, 1997
Filing Date:
February 26, 1992
Export Citation:
Assignee:
Nissin Electric Co., Ltd.
International Classes:
F16K1/06; F16K31/122; F16K41/10; F16K51/02; H01J37/18; H01J37/317; H01L21/265; (IPC1-7): F16K1/06; F16K51/02
Domestic Patent References:
| JP4715719A | ||||
| JP2134372U | ||||
| JP55115353U |
Attorney, Agent or Firm:
Kenzo Hara