发明授权
US3694145A Adjustable shim for pressure vessel doors 失效
压力容器门可调节

Adjustable shim for pressure vessel doors
摘要:
An adjustable shim in combination with the door closing apparatus of sterilizer or other pressure vessel doors. The shim carried by the door is adjustable longitudinally of the toggle or locking bar to raise or lower each bar for providing a uniform sealing force about the periphery of the door.
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