ISO 8009-8:1985 Reusable rubber contraceptive diaphragms; Part 8 : Determination of twisting during compression of coil spring and flat spring diaphragms
International Organization for Standardization (ISO)
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ISO 8009-8:1985
ISO 8009-8:1985 history
1985ISO 8009-8:1985 Reusable rubber contraceptive diaphragms; Part 8 : Determination of twisting during compression of coil spring and flat spring diaphragms