"Symbols Telephone" CNS Standards List| Plastics – | Sand Shovel | Health Level | Air Servo | Saddle Rigid | Road vehicles | Chemical Reagent | Glossary terms | |
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CNS 9112
2017 Edition Symbols of Telephone and Bell of Interior Wiring Diagram for Architectural Plans 屋內配線設計圖電話、電鈴類符號 |
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CNS 9112
1987 Edition Symbols of Telephone and Bell of Interior Wiring Diagram for Architectural Plans 屋內配線設計圖電話、電鈴類符號 |
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