NY/T 291-1995

Standard Type

NYT

ICS

N/A

CCS

N/A

Status

N/A

Issue Date

N/A

Implementation

N/A

Responsible Dept

N/A

Drafting Unit

N/A

📚 References & Relations / 引用与关联

normative_reference GB 1987

normative_reference GB 317.

normative_reference GB 4789.