What does PTDL stand for?
PTDL stands for "Patent and Trademark Depository Libraries"
How to abbreviate "Patent and Trademark Depository Libraries"?
"Patent and Trademark Depository Libraries" can be abbreviated as PTDL
What is the meaning of PTDL abbreviation?
The meaning of PTDL abbreviation is "Patent and Trademark Depository Libraries"
What does PTDL mean?
PTDL as abbreviation means "Patent and Trademark Depository Libraries"
