Classification and nomenclature for environmental protection instruments
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QJ A 171-1996 Technical Specifications for Copper Alloy Castings
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Trapezoid steel roof truss (circular steel pipe, square steel pipe)
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Issued on:   Implemented on: 1993-07-01 Translation Price: 75 (USD) Delivery: via email in 1-3 business day

Specifications for inset runway centerline lights
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Issued on:   Implemented on: 1993-10-01 Translation Price: 45 (USD) Delivery: via email in 1-3 business day


Issued on:   Implemented on: 1992-07-01 Translation Price: 180 (USD) Delivery: via email in 1 business day

Two-slit interference experiment apparatus
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