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有个专门的决议说这个问题:4 t8 {. {; o" C1 @+ q* T K0 h
COLLECTION OF OSM/HA DECISIONS
7 z1 s Z: z8 u9 ~5 D1 FStandard:
; d) ?* g; V# UEN 60335-1/1988
* k6 J5 W9 S" g+ y7 ASub clause: 2.2.10 Sheet n. OSM/HA 011 J0 W, {- x/ s; Q
Page 1(1)
% U8 d% u- L7 X1 j, Y1 KSubject: Definitions Key words:
6 U! V$ p. J* ^. N$ x6 Q-special purpose tools Decision taken at the
! f. E# f6 [" ~+ K2 g/ X4 j8th meeting 1994
# a+ ?4 y F& p; J7 j1 XQuestion: What is a special purpose tool?; b! T0 G9 X# S, p/ P' O7 \
Decision: The examples of screws shown in the figure are considered as having a head
/ t: p* y$ G1 k+ q- G+ Jfor which a special purpose tool is needed.# ^( z$ V7 C. `* R, S- r/ k4 l
Explanatory notes:
. b# a* B0 |' a8 i8 ^2 v$ x; J5 E. Y- c* G
' z; ?- G. M/ i7 x& P7 \& `: x6 F8 W5 p1 g7 {1 \% J5 D
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