CB/T 3962-2005 Marine welded brass pipe reducing flanges. 1范围 CB/T 3962规定了法兰连接尺寸按GB/T 569、GB/T 2501的...
CB船舶标准
CB船舶标准
CB船舶标准
CB/T 3962-2005 船用焊接异径铜法兰
CB/T 3962-2005 Marine welded brass pipe reducing flanges. 1范围 CB/T 3962规定了法兰连接尺寸按GB/T 569、 GB/T 2501...