• Both GPT-A2 and A1 are multifunctional transceivers(transmitter, repeater, and receiver ...

• GPT-T3 is a transmitter of Gpacers Poseidon Tracking system, carried by seafarers, diver...

T1
• GPT-T1 is a transmitter of Gpacers Poseidon Tracking system, carried by seafarers,...

溴化環氧樹脂通常按分子量可分為低、中、高三種。
溴化環氧樹脂分子量範圍在700—45000，各種不同分子量的樹脂影響阻燃塑膠的物理性能、耐熱性、r抗衝擊性等，低分子量適於阻燃...