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automatic swinging door

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totti

Automotive
Joined
Aug 1, 2001
Messages
8
Location
AU

My friend has to design an automatic swinging door but he's not know what he should do.
Can u tell me where can i find some information, documents about automatic swinging door.
Thanks a lot
 
I assume you are thinking of a patent. Be careful as there are crooked patent agencies out there. Start with the us government patent office. Do a web rearch for patent office and you will get a lot of (488529) references.
wzkb <They are just Jealous
that the Voices
don't talk to Them>
 
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