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並前往https://www.elegislation.gov.hk/hk/cap123B!en@2012-02-09T00:00:00/s61?_lang=zh-Hant-HK

Cap. 123B Building (Construction) Regulations Regulation 61 ...

MINIMUM PERIOD BEFORE STRIKING FORMWORK. Type of formwork. Minimum period before formwork may be removed. Vertical formwork to column, ...

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