GATE VALVE OF ROTATIONALLY DRIVEN TYPE
[Problem] To provide a gate valve of rotationally driven type capable of achieving space-saving at a low cost. [Solution] A gate valve 1 (1A) of rotationally driven type according to the present invention comprises a valve box 4 which has a first opening portion 7 and a second opening portion 8 faci...
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Sprache: | eng ; fre ; jpn |
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