| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| JJG 2028-1989 | English | 239 |
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Days<=3
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Measuring Instruments for Diffuse Transmission Visual Density
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JJG 2028-1989
| Obsolete |
JJG 2028-1989
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