JPS628522Y2 - - Google Patents

Info

Publication number
JPS628522Y2
JPS628522Y2 JP5869880U JP5869880U JPS628522Y2 JP S628522 Y2 JPS628522 Y2 JP S628522Y2 JP 5869880 U JP5869880 U JP 5869880U JP 5869880 U JP5869880 U JP 5869880U JP S628522 Y2 JPS628522 Y2 JP S628522Y2
Authority
JP
Japan
Prior art keywords
methane
concentration
measured
hydrocarbons
value
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.)
Expired
Application number
JP5869880U
Other languages
English (en)
Japanese (ja)
Other versions
JPS56159761U (de
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 filed Critical
Priority to JP5869880U priority Critical patent/JPS628522Y2/ja
Publication of JPS56159761U publication Critical patent/JPS56159761U/ja
Application granted granted Critical
Publication of JPS628522Y2 publication Critical patent/JPS628522Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Emergency Alarm Devices (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
JP5869880U 1980-04-28 1980-04-28 Expired JPS628522Y2 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5869880U JPS628522Y2 (de) 1980-04-28 1980-04-28

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5869880U JPS628522Y2 (de) 1980-04-28 1980-04-28

Publications (2)

Publication Number Publication Date
JPS56159761U JPS56159761U (de) 1981-11-28
JPS628522Y2 true JPS628522Y2 (de) 1987-02-27

Family

ID=29653172

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5869880U Expired JPS628522Y2 (de) 1980-04-28 1980-04-28

Country Status (1)

Country Link
JP (1) JPS628522Y2 (de)

Also Published As

Publication number Publication date
JPS56159761U (de) 1981-11-28

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