DE 37f.8

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German patent classification 37f. Gruppe 8. was used for some patents dealing with airship hangars (Luftschiffhallen). The enclosing categories deal with buildings more generally.

Enclosing categories DE 37f
Subcategories
Keywords Hangars, Storage, building
Start year
End year


This wiki has 12 patents in category "DE 37f.8".

Patents in category DE 37f.8