General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
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GB/T 29527-2013
Scope
This standard specifies the names and graphic marks of general powder processing equipment. This standard applies to the drawing of powder treatment process flow chart.
GB/T 29527-2013 history
2013GB/T 29527-2013 Graphical symbols for common used equipments of powder processing