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有个专门的决议说这个问题:* ?. ^! K! B ]8 V2 p" p1 I
COLLECTION OF OSM/HA DECISIONS
: Q: J: U3 b; X/ zStandard:% U6 M; K+ j+ R
EN 60335-1/1988
- t% p6 `4 a6 X; zSub clause: 2.2.10 Sheet n. OSM/HA 01, s+ g: j( x1 m7 o Y/ E
Page 1(1)7 N" u; z/ X9 r, O; E$ \6 M1 Z
Subject: Definitions Key words: k; a( F; h% m) T! L
-special purpose tools Decision taken at the
. S- r* W1 o, l: Z$ k2 t8th meeting 1994' T- T9 ~' x. l. V/ A) n
Question: What is a special purpose tool?
# B, ^% a+ N/ K. u. }Decision: The examples of screws shown in the figure are considered as having a head
4 K# J& k( s+ l) u. u% tfor which a special purpose tool is needed./ {0 @, w/ b& H
Explanatory notes:) I4 |8 G' a& l
5 _: ^1 V- \- _( J, Z8 R5 a. U6 t9 [# D; g. D
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