shengyi technology co., ltd.-小9直播体育免费直播下载ios

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product list

product name
product description
dk
df
s7045g
mid-loss, hfr-free, fr4.1 multilayer used pcb base material
4.30
0.010
s7045gh
halogen-free, high reliability & mid loss material
3.95
0.0095
s7040g
mid-loss, hfr-free multilayer pcb used base material
3.72
0.0089
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