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dealItalian200
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7
NS 3453-1987 Specification of building costs.pdf
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41
NS 3451-2009 Table of building elements.pdf
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5
NS 1742-1980 Valves - Spheroidal graphite cast iron stop and check valves - Flanged straight pattern - DN 65 to DN 300 - Bolted bonnet - Rising stem and handwheel - Nominal pressures C.pdf
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5
NS 1741-1980 Valves - Cast iron stop and check valves - Flanged angle pattern - DN 15 to DN 300 - Bolted bonnet - Rising stem and handwheel - Nominal pressure PN 10 and PN 16 - Max.pdf
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5
NS 1740-1980 Valves - Cast iron stop and check valves - Flanged straight pattern - DN 15 to DN 300 - Bolted bonnet - Rising stem and handwheel - Nominal pressure PN 10 and PN 16 - .pdf
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5
NS 1739-1980 Valves - Spheroidal graphite cast iron stop valves - Flanged angle pattern - DN 15 to DN 80 - Bolted bonnet - Rising stem and handwheel - Nominal pressure PN 25 - Max .pdf
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5
NS 1738-1980 Valves - Spheroidal graphite cast iron stop valves - Flanged straight pattern - DN 15 to DN 80 - Bolted bonnet - Rising stem and handwheel - Nominal pressure - PN 25 -.pdf
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17
NORVEN 557-1971 《用于电路当中的620I型铝合金金属线》.pdf
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15
NORVEN 556-1971 《用于电路当中的圆切面620I型铝合金金属线》.pdf
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11
NORVEN 555-1971 《用于电路当中的铝制金属线》.pdf
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