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Agent for treating and cleaning the surface of objects, especially gramophone records, video and acoustic magnetic heads, tape tracks on tape recorders, and pick- up needles
Agent for treating and cleaning the surface of objects, especially gramophone records, video and acoustic magnetic heads, tape tracks on tape recorders, and pick- up needles
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机译:用于处理和清洁物体表面的试剂,尤其是留声机唱片,视频和声磁头,录音机上的录音带和拾音针
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摘要
Novel substituted thiacycloalkeno [3,2-b] pyridines are described. These compounds are useful as calcium channel antagonists with cardiovascular, antiasthmatic and antibronchoconstrictor activity.
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