Tianjin Zhiyi Times Technology Development Co.，Ltd。
制造商
会员自: 2022
天津, 中国
Main Products
Find multiple varieites of Main ProductsTianjin Zhiyi Times Technology Development Co., Ltd.
价钱:
USD 5000 /Unit
最大数量:
1
Operation At the beginning of each sampling hour, a small 14C (carbon-14) element emits a constant source of high-energy electrons ,known as beta rays, through a spot of clean filter tape. These beta rays are detected [...]
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交货:
7 days after the order is placed
打包:
According to customer requirements
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