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有个专门的决议说这个问题:# `8 K. D' t% ~/ e$ ~ ~
COLLECTION OF OSM/HA DECISIONS
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EN 60335-1/1988
+ Z% H6 ?% _: G$ S, Q' S3 XSub clause: 2.2.10 Sheet n. OSM/HA 01% U T1 A h: r8 R
Page 1(1)( x" N& } e) Q
Subject: Definitions Key words:! P, J$ y. ^8 z) p# k% t+ R1 N! O0 u+ V
-special purpose tools Decision taken at the
- L* F6 x, V6 u0 F3 ~8th meeting 19940 Q+ ^5 Z' v6 M7 I b+ K+ J
Question: What is a special purpose tool?- w7 u$ i! K6 p
Decision: The examples of screws shown in the figure are considered as having a head
& K: a9 Y* ~6 O* `( a. Bfor which a special purpose tool is needed.
6 ~9 N5 T$ i+ P4 n8 T4 y/ CExplanatory notes:
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