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This Japanese Industrial Standard specifies the screwdrivers used mainly for assembly or disassembly of slotted-head machine screws, wood screws and tapping screws.
Author | JSA |
---|---|
Editor | JSA |
Document type | Norms amendments |
Format | File |
Confirmation date | 2013-10-21 |
ICS | 25.100.20 : Milling tools
|
Number of pages | 1 |
Modify | JIS B 4221 (1998-08-20)
|
Year | 2009 |
Document history | |
Country | Japan |
Keyword | JIS B 4221;JIS 4221;4221 |