本发明涉及一种冷冻装置的闭锁阀的操作部或分支管的开口部所用的盖部件。
Disclosed is a cover member for the operation part of a closing valve or the opening part of a branch joint of a refrigerating apparatus.
本发明涉及一种冷冻装置的闭锁阀的操作部或分支管的开口部所用的盖部件。
Disclosed is a cover member for the operation part of a closing valve or the opening part of a branch joint of a refrigerating apparatus.
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