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ZIG'IR GAZLAMALARI VA ULARGA TALUQLI MEYYORIY HUJJATLAR
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This course covers state standards and technical requirements for gas welding, quality of gas weldments, and chemical composition of gas weldments
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#texnik shartlar#davlat standartlari#zig'ir gazlamalari
Premium Content
ZIG'IR GAZLAMALARI VA ULARGA TALUQLI MEYYORIY HUJJATLAR
5,000so'm
Betlar soni
9 taFayl hajmi
39.54 KBFayl turi
.docx
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