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Database: 189760 (25 Oct 2025)
LYJ109-1987
Chinese Standard: 'LYJ109-1987'
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LYJ 109-1987
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Days<=3
Specification for Design of Rosin Project
LYJ 109-1987
LYJ 109-1987
SIMILAR
unprotected-true-PDFs:
LY/T 3236-2020
LY/T 3022-2018
GB/T 18487.2-2017