腈 .au 标准查询与下载



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Zpracovatel: Salina, n. p., Vestec, p. Jesenice u Prahy - E. Miná?ová Pracovník ??adu pro normalizaci a mě?ení - Ing. M. ?ermákov

Gold (pure) Au 99,9

Specifications Des Equipements Destines Au Service Mobile Terrestre

Guidance on the regulatory framework for national spectrum management

Guidance on the regulatory framework for national spectrum management

APPLICATION: Primarily for joining corrosion and heat resistant alloys where corrosion and oxidation resistant joints with good strength at high

BRAZING FILLER METAL@ HIGH TEMPERATURE 50 Au - 25Pd - 25Ni

Acetonitrile

この規格は,試薬として用いるアセトニトリルについて規定する

Acetonitrile




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