ปริมาณการสั่งซื้อ อ้างอิงราคา FOB
5-9 ชิ้น US$50
10+ ชิ้น US$49
คำอธิบายสินค้า
Product Description Low Frequency Geophone VAS-200 geophone is kind of low frequency geophone with high sensitivity developed following request of seismic exploration and engineering which is mainly to receive deep level, low frequency and weak signal. lt can be used as single point and also ...