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International Standard Category: Motion picture equipment

JB/T 6839-2002    The classification of projection screens
放映银幕分类 ;
Category No.:37.060.10 Valid Status:superseded
Issued Organization: Issued Date:2002-07-16
Implemented Date:2002-12-1 Abolished Date:
Superseded Standard.:JB/T 6839-2011 The classification of projection screens
Superseded Date:2012-4-1
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