BS 4539:1970
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
Methods of testing small spark ignition engines for agricultural use
Hardcopy , PDF
31-08-1990
English
26-01-1970
Methods of testing for small ignition engines of the types used in agriculture, horticulture and forestry. The tests cover power output, endurance, sound levels, starting under varying conditions and operating under adverse conditions of temperature, humidity and dust.
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