TCVN 5455-1998
Surface active agents. Detergents. Determination of anionic-active matter by manual or mechanical direct two-phase titration procedure - Superseding: TCVN 5455-72
TCVN 5690-1998
Leaded gasoline. Specification - Superseding: TCVN 5690-92
TCVN 5699/1-1998
Safety of household and similar electrical appliances - Superseding: (IEC 335/1-1991) TCVN 5699-1992 TCVN 6334-1998
Standard test method for biodegradability of ankylbenzen sunfonates- (ASTM 2667-1995)
TCVN 6335-1998
Surface active agents. Technical straight - chain sodium alkylbenzenesulfonates. Determination of mean relative molecular mass by gas-liquid chromatography (ISO 6841 : 1988)
TCVN 6336-1998
Standard test method for methylene blue active substances (ASTM D 2330-1988)
TCVN 6337-1998
Polyester enamelled round copper wire (PEW) class 155 C
TCVN 6338-1998
Paper covered rectangular copper wire
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