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| #893/1409 |
| Term | Definition |
| NMK | abb. a notation used to indicate “not master keyed” and is suffixed in parentheses to a regular keying symbol. It indicates that the cylinder is not to be operated by the master key(s) specified in the regular keying symbol; e.g., AB6(NMK). |
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Glossary contents Copyright 1989, 1990, 1995, 1996, 1997, 2000, 2001, 2002, 2003, 2004, 2005, 2006 Lock Industry Standards and Training Council (LIST Council)
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