نمایش نتیجه 1 تا 4 از 4 نتیجه یافت شده برای drill pipe protector:
n: an antifriction device of rubber or steel attached to each joint of drill pipe to minimize wear.
n: the rubber protection valve on whose outskirt there are several flowpath trough which benefits the fluid flowing
n: refer to full-flo super grip lace -on drill pipe protector.
n: protector that some pieces steel bdlts through sulfurizing are buckled on drill pipe and it is fixed with pin.
© ۱۳۹۲-۱۳۹۷ این اثر شامل قانون حمایت از مولفین بوده و هرگونه کپی برداری از آن ممنوع است.
