№1/237
«1» dekabr 2014 ý.
Page: 308–313
0,07 MPa (0,7 kgs/sm²)-dan ýokary basyş astynda işleýän bug we suw gyzdyryjy gazanlary hasaba almak boýunça Gözükdirmäni tassyklamak barada
Ýygyndy 2025
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