Specification of Pipe Copper Seamless Sanitary and Medical Gas
Seamless Copper Tube ASTM B280 JIS 330 C12200
Seamless Copper Tube ASTM B88 Type L
Seamless Copper Tube ASTM B88 Type K
Seamless Copper Tube ASTM B88 Type M
Seamless Copper Tube ASTM B68
Seamless Copper Tube ASTM B819
Pipa Oxygen