สายยางอัดแรงดันสูงแบบบิดล็อคทองเหลืองขนาด 1 นิ้วเร็ว ข้อต่อ - ชาวจีน ข้อต่อท่ออากาศ , ฟิตติ้งท่ออากาศ
Coupling - China Coupling,Pipe Fitting Manufacturers & Suppliers on Made-in-China.com - page 305
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