TCVN 4474-1987
Interior drainage system.Design standard
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TCVN 4474-1987
Standard No.
TCVN 4474-1987
Release Date
1987
Published By
VN-TCVN
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TCVN 4474-1987
TCVN 4474-1987 history
1987
TCVN 4474-1987
Interior drainage system.Design standard
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