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pipe organ
pipe snake
pipe up
pipe wrench
piped music
pipefish
pipefitting
pipeline
pipeline protection
piper
piperazine
piperidine
piperine
piperonal
pipes of Pan
pipestone
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pipeline protection
pipe·line pro·tec·tion


noun 
Definition:
 
protection prior to patent: legal protection for inventions that exists prior to the availability of patent protection for them
Encarta® World English Dictionary [North American Edition] © & (P)2009 Microsoft Corporation. All rights reserved. Developed for Microsoft by Bloomsbury Publishing Plc.
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