Performance of windows : part - 1 : classificatio for weathertightness
Performance of windows : part - 1 : classificatio for weathertightness
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- London BSI 1983
- 6 p.
- BSI 6375 : part - 1 : 1983 .
DBSI 6375 : part - 1 : 1983
DBSI 6375 : part - 1 : 1983