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Old 12-06-2012, 12:06 AM   #1
pmdec
 
Join Date: Nov 2006
Location: France
Posts: 439
Default Aluminium leaf protection

Hi,

Did anybody ever heard of this process? Or, better, seen a prop with this protection?



It is from a pre-1920 book issued by US Dept of Agriculture.

Regards,
PM
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