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共找到 150 條與 空載聲功率級(jí) 相關(guān)的標(biāo)準(zhǔn),共 10

External a.c. - d.c. and a.c. - a.c. power supplies – Determination of no-load power and average efficiency of active modes

BLANK DETAIL SPECIFICATION: FIXED POWER RESISTORS (ASSESSMENT LEVEL S) (Endorsed by AENOR in July of 1998.)

The document is a supplementary document of the sectional specification for fixed power resistors (Assessment level S) and contains requirements

Blank detail specification: Fixed power resistors (Assessment level S); German version EN 140201:1996

Blank detail specification. Fixed power resistors (Assessment level M)

The document is a supplementary document of the sectional specification for fixed power resisitors (Assessment level H) and contains requirements

Blank detail specification: Fixed power resistors (Assessment level H); German version EN 140203:1996

Blank detail specification : fixed power resistors (Assessment level S)

The document is a supplementary document of the sectional specification for fixed power resistors (Assessment level M) and contains requirements

Blank detail specification: Fixed power resistors (Assessment level M); German version EN 140201:1996

Draft Document - Blank detail specification: Fixed low power film resistor; German version prEN 140101:2006

Blank detail specification: Fixed power resistors (Assessment level S); German version EN 140201:1996

Draft Document - Blank detail specification: Fixed low power film resistor; German version prEN 140101:2006

BLANK DETAIL SPECIFICATION: FIXED POWER RESISTORS (ASSESSMENT LEVEL M) (Endorsed by AENOR in July of 1998.)

Blank detail specification. Fixed power resistors (Assessment level S)

This European Standard applies to hydronic fan coil units (FCU) as factory-made single assemblies which provide the functions of cooling

Heat exchangers - Hydronic room fan coils units - Determination of the sound power level

BLANK DETAIL SPECIFICATION: FIXED POWER RESISTORS (ASSESSMENT LEVEL H) (Endorsed by AENOR in July of 1998.)

Blank Detail Specification: Fixed power resistors (Assessment level S)




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