2007JB/T 8195.11-2007 Indirect resistance furnaces.Part 11: RB series bell furnaces
1970JB/T 5265-1991 Indirect Resistance Furnace RB Series Bell Type Resistance Furnace
JB/T 5265-1991 Indirect Resistance Furnace RB Series Bell Type Resistance Furnace was changed to JB/T 8195.11-2007 Indirect resistance furnaces.Part 11: RB series bell furnaces.