
International gear notation. Symbols for geometrical data
出版:British Standards Institution

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Defines the geometrical symbols for use in notation of gear data. It comprises two lists: - the principal symbols, consisting of a single basic letter (see Table 1); and - subscripts to be used as necessary to qualify principal symbols (see Tables 2, 3 and 4)
? British Standards Institution 2013
ISO 701:1998 - Identical
ISO 701 : 1998(R2013) - Identical
ISO 701 : 1998(R2013) - Identical