Reference number
Ïã¸ÛÁùºÏ²Ê¿ª½± 834:1975
Ïã¸ÛÁùºÏ²Ê¿ª½± 834:1975
Fire-resistance tests — Elements of building construction
Edition 1
1975-11
Withdrawn
Ïã¸ÛÁùºÏ²Ê¿ª½± 834:1975
5197
Withdrawn (Edition 1, 1975)

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