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1. Scope This International Standard specifies design dimensions of a tractor for agriculture concerning (a) minimum dimensions of access doorways; (b) number, location and minimum dimensions of emergency exits; (c) minimum internal clearance dimen

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CAN/CSA-Z321-96 (R2001) Signs and Symbols for the Workplace 现行 发布日期 :  1970-01-01 实施日期 : 

1. Scope 1.1 This Standard applies to signs intended for use in the workplace for the purpose of communicating a regulatory, warning or informational message with the emphasis on safety and/or health. It describes requirements for the design of signs

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