This standard specifies the parameters of vertical single-axis tongue and groove machines. This standard applies to vertical single-axis tongue and groove machines.
JB/T 3290.1-1999 history
2010JB/T 3290.1-2010 Vertical Single spindle mortising machines for woodworking -Part 1: Parameters
1999JB/T 3290.1-1999 Vertical single shaft mortising machine parameters