Please enter the standard number above
This standard specifies the standard labor conversion method for measuring the collective labor results of seismic exploration tea
SY 5493-1992 Fracturing Equipment Type and Basic ParametersSY5493-1992 Standard Download Decompression Password: www.bzxz.net
This standard specifies the annual working month, annual construction month and monthly man-day quotas for seismic exploration wor
SY 5490-1993 Sodium bentonite for drilling fluid testing SY5490-1993 standard download decompression password: www.bzxz.net
SY 5487-1992 Milling Tube SY5487-1992 Standard Download Decompression Password: www.bzxz.net
SY 5476-1992 Internal Tube Cementing DeviceSY5476-1992 Standard download decompression password: www.bzxz.net
SY 5474-1992 Gyroscopic single-point and multi-point photographic inclinometer measurement specificationSY5474-1992 Standard downl
SY 5472-1992 Electronic gyro inclinometer measurement specificationSY5472-1992 standard download decompression password: www.bzxz.