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Article: DORMA acquires Crane Revolving Doors.
- Article from:
- Doors and Hardware
- Article date:
- May 1, 2000
CopyrightCOPYRIGHT 2000 Door and Hardware Institute. This material is published under license from the publisher through the Gale Group, Farmington Hills, Michigan. All inquiries regarding rights should be directed to the Gale Group. (Hide copyright information)
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DORMA Group North America has ...
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Article: Always open always closed revolving door security: advantages of ...
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... ... CONTROLS ARE widely used. So are revolving doors. Both are well known and are not ... known. This article is about security revolving doors, their security capabilities and ... often refer to the dual nature of revolving doors as "always open, always closed ...
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