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有个专门的决议说这个问题:: Y% J' A1 |9 p+ T. A4 h
COLLECTION OF OSM/HA DECISIONS; B; W3 G* ?4 Z, I0 d; p2 z) |
Standard:9 p6 ~* _$ c5 T9 d) H! W& G
EN 60335-1/1988
% U' e8 T: z9 b9 G2 ^) o& hSub clause: 2.2.10 Sheet n. OSM/HA 013 [* L+ K5 [5 @7 Q
Page 1(1)
3 A2 F" V+ T+ J. h i- Q; }7 D! jSubject: Definitions Key words:
* @% O& W8 z, Y+ h& C2 l- @-special purpose tools Decision taken at the, p) I' j" t/ V' c$ g) g
8th meeting 1994
, R" H1 J L! u# ~1 i* O+ p& B ZQuestion: What is a special purpose tool?5 p! Q$ s4 K3 k/ n, E4 h9 G; j4 U
Decision: The examples of screws shown in the figure are considered as having a head
4 ?) l" v' A7 ?0 q3 w) T. Gfor which a special purpose tool is needed.( g; W. L* _# m
Explanatory notes:! K' u) g, B7 {( E$ N9 j, r
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