000
00262nam a2200109Ia 4500
008
220201s1975 xx 000 0 eng d
100
_a
ISI:2048-1975
245
0
_a
Specification for parellel keys and keyways
260
_b
ISI
_c
1975
300
_a
7
942
_2
ddc
999
_c
80069
_d
80069