1970QJ 1960.9A-2007 Multifunctional combined stamping formwork components part 9: guide post seat
1986QJ 957.7-1985 Multi-functional combined stamping die frame element guide post seat
QJ 957.7-1985 Multi-functional combined stamping die frame element guide post seat was changed to QJ 1960.9A-2007 Multifunctional combined stamping formwork components part 9: guide post seat.