DZ/T 0101.12-1994
Active
JJG 728-1991
Active
National Metrology and Inspection Regulations JJG
JJG 728-1991 Expansion Vacuum Apparatus(Grade Ⅰ)
JJG 728-1991 Expansion Vacuum Apparatus(Grade Ⅰ)
Basic Information
Standard Code:
JJG 728-1991
Standard Type:
National standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
-
ICS Name:
-
Publish Date:
1991-03-12
Implement Date:
1991-10-01
Publisher:
The National Technical Supervision Bureau
Technical Committee:
The National Institute of Metrology and Quality Supervision of China
Pages:
6 pages
Scope
This procedure is applicable to the verification of first-class standard expansion-method vacuum devices (hereinafter referred to as "devices") with a pressure range of 10-3 Pa to 104 Pa that are newly manufactured, in use, or repaired.
Development Information
Drafting Units:
The National Institute of Metrology and Quality Supervision of China
Drafting Persons:
Fei Weinan and Zhou Qichun
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