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.)
G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
G01N25/00—Investigating or analyzing materials by the use of thermal means
G01N25/50—Investigating or analyzing materials by the use of thermal means by investigating flash-point; by investigating explosibility
G01N25/54—Investigating or analyzing materials by the use of thermal means by investigating flash-point; by investigating explosibility by determining explosibility
Vorrichtung zur Verhütung von Funkenübergang an zeVorrichtung zur Verhütung von Funkenübergang an zerrissenen Zündkabeln von abstürzenden Flugzeugen. rrissenen Zündkabeln von abstürzenden Flugzeugen.
Vorrichtung zum Anzeigen schaedlicher Gase in Bergwerken mittels eines von einer Flamme beeinflussten und auf eine Anzeigevorrichtung wirkenden Fluegels