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SGPSDJ SUTSSJ SGPNPJ STUPDJ12 23 24 34 36 46 48 68异径套管型
拧入型接头 异径SGPNPJ STUPDJ12 23 24 34 36 46 48 68
SGPNPJ STUPDJ12/23/24/34/36/46/48/68不锈钢异径接头
高压拧入接头SGPNPJ/STUPDJ12/23/24/34/36/46/48/68异径螺纹接头
异径套管型SGPSDJ SUTSSJ SGPNPJ STUPDJ12 23 24 34 36 46 48 68
外丝异径接头 SGPNPJ STUPDJ 12 23 24 34 36 46 48 68
