JPS5392477A - Method of producing vacuum valve - Google Patents

Method of producing vacuum valve

Info

Publication number
JPS5392477A
JPS5392477A JP643677A JP643677A JPS5392477A JP S5392477 A JPS5392477 A JP S5392477A JP 643677 A JP643677 A JP 643677A JP 643677 A JP643677 A JP 643677A JP S5392477 A JPS5392477 A JP S5392477A
Authority
JP
Japan
Prior art keywords
vacuum valve
producing vacuum
producing
valve
vacuum
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP643677A
Other languages
Japanese (ja)
Inventor
Hideo Suzuki
Shiyouji Niwa
Sadao Sugiyama
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Toshiba Corp
Original Assignee
Tokyo Shibaura Electric Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Tokyo Shibaura Electric Co Ltd filed Critical Tokyo Shibaura Electric Co Ltd
Priority to JP643677A priority Critical patent/JPS5392477A/en
Publication of JPS5392477A publication Critical patent/JPS5392477A/en
Pending legal-status Critical Current

Links

JP643677A 1977-01-25 1977-01-25 Method of producing vacuum valve Pending JPS5392477A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP643677A JPS5392477A (en) 1977-01-25 1977-01-25 Method of producing vacuum valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP643677A JPS5392477A (en) 1977-01-25 1977-01-25 Method of producing vacuum valve

Publications (1)

Publication Number Publication Date
JPS5392477A true JPS5392477A (en) 1978-08-14

Family

ID=11638337

Family Applications (1)

Application Number Title Priority Date Filing Date
JP643677A Pending JPS5392477A (en) 1977-01-25 1977-01-25 Method of producing vacuum valve

Country Status (1)

Country Link
JP (1) JPS5392477A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014175068A (en) * 2013-03-06 2014-09-22 Toshiba Corp Method of manufacturing vacuum valve

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4939771A (en) * 1972-08-30 1974-04-13
JPS501931A (en) * 1973-05-09 1975-01-10

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4939771A (en) * 1972-08-30 1974-04-13
JPS501931A (en) * 1973-05-09 1975-01-10

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014175068A (en) * 2013-03-06 2014-09-22 Toshiba Corp Method of manufacturing vacuum valve

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