KSM-201 is air-drying etching resist ink for acidic etching solution , which is used for making etching.
KSM -201 系列自干型耐酸抗蚀刻油墨用于酸性蚀刻法制造印制板电路图形.
The KSM 9 handheld transmitter uses a dual-diaphragm condenser element.
KSM9手持发射机采用双膜片电容咪头.
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