Originally Posted by
juvela
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for a manufacturer identification we need to hear from luminaries on frankish matters such as [MENTION=43980]CV-6[/MENTION] & [MENTION=359579]Filochard[/MENTION]...or else [MENTION=383399]MauriceMoss[/MENTION] who seems positively unstumpable.
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Oh, I stump easily! Especially when it comes to locating certain tools. They usually appear after I buy a replacement...
As for the frame here, it's a veritable
stumpenade! 
I've seen that style of stamped dropouts before, on some mid-late 70s Euro market Gitanes and Fonlupt, but then the lugs don't match at all...
Not entirely sure what this one is. I'll keep looking.