JPS54149020A - Gas opening and closing device - Google Patents

Gas opening and closing device

Info

Publication number
JPS54149020A
JPS54149020A JP5679178A JP5679178A JPS54149020A JP S54149020 A JPS54149020 A JP S54149020A JP 5679178 A JP5679178 A JP 5679178A JP 5679178 A JP5679178 A JP 5679178A JP S54149020 A JPS54149020 A JP S54149020A
Authority
JP
Japan
Prior art keywords
closing device
gas opening
gas
opening
closing
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
JP5679178A
Other languages
Japanese (ja)
Inventor
Kazui Nishiyama
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to JP5679178A priority Critical patent/JPS54149020A/en
Publication of JPS54149020A publication Critical patent/JPS54149020A/en
Pending legal-status Critical Current

Links

Landscapes

  • Electrically Driven Valve-Operating Means (AREA)
JP5679178A 1978-05-13 1978-05-13 Gas opening and closing device Pending JPS54149020A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5679178A JPS54149020A (en) 1978-05-13 1978-05-13 Gas opening and closing device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5679178A JPS54149020A (en) 1978-05-13 1978-05-13 Gas opening and closing device

Publications (1)

Publication Number Publication Date
JPS54149020A true JPS54149020A (en) 1979-11-21

Family

ID=13037227

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5679178A Pending JPS54149020A (en) 1978-05-13 1978-05-13 Gas opening and closing device

Country Status (1)

Country Link
JP (1) JPS54149020A (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4869122A (en) * 1971-12-23 1973-09-20
JPS4936523B1 (en) * 1970-09-18 1974-10-01
JPS50146933A (en) * 1974-05-16 1975-11-25

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4936523B1 (en) * 1970-09-18 1974-10-01
JPS4869122A (en) * 1971-12-23 1973-09-20
JPS50146933A (en) * 1974-05-16 1975-11-25

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