This part of JB/T 3290 specifies the parameters of vertical single-axis tongue and groove machines. This section applies to vertical single-axis tongue and groove machines.
JB/T 3290.1-2010 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