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- 01.080.30 - Graphical symbols for use on mechanical engineering and construction drawings, diagrams, plans, maps and in relevant technical product documentation View 288 Documents
- 01.080.40 - Graphical symbols for use on electrical and electronics engineering drawings, diagrams, charts and in relevant technical product documentation View 118 Documents
- 01.080.50 - Graphical symbols for use on information technology and telecommunications technical drawings and in relevant technical product documentation View 90 Documents
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- 03 - Services. Company organization, management and quality. Administration. Transport. Sociology View 7,692 Documents
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