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security systems
patents.	sistemas de segurança

security system : 44 phrases in 20 subjects

Banking	1
Commerce	1
Communications	1
Construction	1
Data processing	1
Economics	1
Electronics	1
Finances	2
Food industry	1
General	6
Immigration and citizenship	1
Information technology	11
Labor law	1
Law	4
Obsolete / dated	1
Patents	2
Politics	4
Security systems	2
Social science	1
Transport	1