JPS57208022A - Vacuum bulb and method of producing same - Google Patents

Vacuum bulb and method of producing same

Info

Publication number
JPS57208022A
JPS57208022A JP9216981A JP9216981A JPS57208022A JP S57208022 A JPS57208022 A JP S57208022A JP 9216981 A JP9216981 A JP 9216981A JP 9216981 A JP9216981 A JP 9216981A JP S57208022 A JPS57208022 A JP S57208022A
Authority
JP
Japan
Prior art keywords
producing same
vacuum bulb
bulb
vacuum
producing
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
JP9216981A
Other languages
Japanese (ja)
Inventor
Nobuo Kawashima
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 JP9216981A priority Critical patent/JPS57208022A/en
Publication of JPS57208022A publication Critical patent/JPS57208022A/en
Pending legal-status Critical Current

Links

JP9216981A 1981-06-17 1981-06-17 Vacuum bulb and method of producing same Pending JPS57208022A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9216981A JPS57208022A (en) 1981-06-17 1981-06-17 Vacuum bulb and method of producing same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9216981A JPS57208022A (en) 1981-06-17 1981-06-17 Vacuum bulb and method of producing same

Publications (1)

Publication Number Publication Date
JPS57208022A true JPS57208022A (en) 1982-12-21

Family

ID=14046924

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9216981A Pending JPS57208022A (en) 1981-06-17 1981-06-17 Vacuum bulb and method of producing same

Country Status (1)

Country Link
JP (1) JPS57208022A (en)

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