MARC状态:已编 文献类型:西文图书 浏览次数:61
- 题名/责任者:
- International Electrotechnical Commission.[Volume 11] I.E.C. recommendation 121 (1960) - 129 (1961) / International Electrotechnical Commission.
- 出版发行项:
- [Genève, Suisse : International Electrotechnical Commission, ISO], 1960.
- 载体形态项:
- 1 v. (various pagings) : ill. ; 30 cm.
- 丛编说明:
- Publication / International Electrotechnical Commission (affiliated to the International Organization for Standardization-ISO) ; 121 (1960)-129 (1961)
- 丛编统一题名:
- Publication (International Electrotechnical Commission) ; 121 (1960)-129 (1961).
- 中图法分类号:
- TM-65
- 内容附注:
- Recommendations for commerical annealed aluminium electrical conductor wire / 1960 -- Quartz crystal units for oscillators / 1962 -- Recommendations for sound level meters / 1961 -- Recommendations for the rated impedances and dimensinos of louds-peakers / 1960 -- General classification of ferromagnetic oxide materials and definitions terms / 1961 -- I.E.C. reference coupler for the measurement of hearing aids using earphones coupled to the ear by means of ear inserts / 1961 -- Cartridge fuse links for miniature fuses / 1962 -- International code for the designation of photographic projector lamps /1961 -- Alternating current isolators (disconnectors and earthing switches.) / 1961.
- 随书光盘:
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