28507
Though a single prototype was produced by Société des Avions Marcel Bloch in 1935 , it was eventually rejected by Air France circa 1938 .
 Société des Avions Marcel Bloch
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Société des Avions Marcel Bloch