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发表于 2020-3-30 20:56:15
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Introduction
It is necessary that users of this standard be aware that further or differing requirements can be needed for individual
applications. This standard is not intended to inhibit a vendor from offering, or the purchaser from accepting,
alternative equipment or engineering solutions for the individual application. This can be particularly applicable where
there is innovative or developing technology. Where an alternative is offered, the vendor should identify any variations
from this standard and provide details.
This standard requires the purchaser to specify certain details and features. |
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