166 / | HD | WELLS |
335 | DF | SUBMERGED WELL {10} |
338 | DF | .~ Connection or disconnection of submerged members remotely controlled {6} |
341 | .~.~ With orienting or aligning of member for connection {2} | |
342 | DF | .~.~.~> Including removable, member mounted guide |
343 | DF | .~.~.~> Including means to pull member into position |