GB/T 2831-1981
Replaced
JB/T 5365.2-1991
Abolished
Industry standards-Mechanical
JB/T 5365.2-1991 The method of measuring the cleanliness of casting machinery using a microscope
JB/T 5365.2-1991 The method of measuring the cleanliness of casting machinery using a microscope
Basic Information
Standard Code:
JB/T 5365.2-1991
Standard Type:
Industry standards
Standard Status:
Abolished
is_force_gb:
no
CCS Name:
General-purpose processing machinery and equipment
ICS Name:
Optical equipment
Publish Date:
1991-06-22
Implement Date:
1992-01-01
Pages:
10 pages
Development Information
Same series standard
Related Standards
GB/T 7661-1987
Replaced
GB/T 7661-1987 Bubble classes for optical elements
GB/T 15488-1995
Replaced
GB/T 15488-1995 Color filter glass
GB/T 15489.1-1995
Active
GB/T 15489.1-1995 Color filter glass test methods Spectral characteristic
GB/T 15489.2-1995
Active
GB/T 15489.2-1995 Color filter glass test methods Extent of bubble
GB/T 15489.3-1995
Active