Marks on the drawing

Buliwyf

New member
Joined
Aug 21, 2014
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2
Hello,
Can someone explain me what means, or what concerns marked in red on the picture below dimensions of WL? Those that are marked in green are for me clear, although I do not know why sometimes is given only number and sometimes the number with inscription SV.
Please help me claryfying that

Regards
 

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They appear to be references to Datum positions. Probably from another overall drawing.
 
Welcome to the motley crew.....pix of your car are welcome....curious about your plans....

:D
 
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