TY - JFULL ID - 91997417 TI - Проблеми трибології PY - SN - 20791372 DB - UniCat KW - wear KW - lubrication KW - friction KW - wear resistant materials KW - contact problems UR - https://www.unicat.be/uniCat?func=search&query=sysid:91997417 AB - ER -