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Overview EN 27931:1992 (identical to ISO 7931:1985) specifies dimensions and requirements for insulation caps and bushes used in the secondary circuit of resistance welding equipment. The standard ta…
Overview ISO 7931:1985 specifies dimensions and requirements for insulated caps (taps) and bushes used in the secondary circuit of resistance welding equipment. Intended particularly for use with ele…
Overview ISO 793:1973 defines the standardized procedure for determining iron content in aluminium and aluminium alloys using the orthophenanthroline photometric method. This internationally recogniz…