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BS 1421:1947被替代

Picks, beater picks and mattocks

出版：British Standards Institution

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基本信息
標(biāo)準(zhǔn)編號(hào)： BS 1421:1947
發(fā)布時(shí)間：1947/12/18 0:00:00
標(biāo)準(zhǔn)類別：Standard
出版單位：British Standards Institution
標(biāo)準(zhǔn)頁(yè)數(shù)：16
標(biāo)準(zhǔn)簡(jiǎn)介

Eight implements in 28 weights and sizes comprising: navvy picks with chisel and point, and double point ends; beater picks with point and fish-tail, and point and tee ends; mattocks with point and mattock, cutter and mattock, and chisel and axe ends. Dimensions of eyes and implements; quality and hardness of steel: tolerances on dimensions and tests. Requirements for helves.

標(biāo)準(zhǔn)備注

? British Standards Institution 2013

Amendment notes:
PD 865 published 15 December 1948
AMD 1316 published 15 February 1974

替代本標(biāo)準(zhǔn)的新標(biāo)準(zhǔn)

BS 1421:1995