FR1399524A - Indicator tube - Google Patents

Indicator tube

Info

Publication number
FR1399524A
FR1399524A FR979801A FR979801A FR1399524A FR 1399524 A FR1399524 A FR 1399524A FR 979801 A FR979801 A FR 979801A FR 979801 A FR979801 A FR 979801A FR 1399524 A FR1399524 A FR 1399524A
Authority
FR
France
Prior art keywords
indicator tube
indicator
tube
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
FR979801A
Other languages
French (fr)
Inventor
Otto Heinrich Drager
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 FR979801A priority Critical patent/FR1399524A/en
Application granted granted Critical
Publication of FR1399524A publication Critical patent/FR1399524A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N31/00—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods
    • G01N31/22—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods using chemical indicators
FR979801A 1964-06-26 1964-06-26 Indicator tube Expired FR1399524A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR979801A FR1399524A (en) 1964-06-26 1964-06-26 Indicator tube

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR979801A FR1399524A (en) 1964-06-26 1964-06-26 Indicator tube

Publications (1)

Publication Number Publication Date
FR1399524A true FR1399524A (en) 1965-05-14

Family

ID=8833319

Family Applications (1)

Application Number Title Priority Date Filing Date
FR979801A Expired FR1399524A (en) 1964-06-26 1964-06-26 Indicator tube

Country Status (1)

Country Link
FR (1) FR1399524A (en)

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