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| International Standard Category: Keys and keyways, splines |
GB/T 3478.6-1995 Straight cylindrical involute splines-30°pressurengle M and W values
园柱直齿渐开线花键 30°压力角 M值和W值 ;
| Category No.: | 21.120.30 | Valid Status: | superseded |
| Issued Organization: | STSB | Issued Date: | 1995-07-01 |
| Implemented Date: | 1996-5-1 | Abolished Date: | |
| Superseded Standard.: | GB/T 3478.6-2008 Straight cylindrical involute splines - Metric module side fit - Part 6: 30°pressure angle M and W values |
Superseded Date: | 2009-5-1 |
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