View source for DE 62b.8

German patent category '''65b gruppe 8''', which we record as '''DE 62b.8''', is one of the categories used for aeronautics in Germany probably after 1900.  We don't yet have documentation here on the meaning of parent category [[DE 62]].
{{Standard techtype reports}}
{{Techtype
|Enclosing categories=DE 62; DE 62b
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}}