Pressure testing device of pressure maintaining jig

The utility model relates to a pressure testing device for a pressure maintaining jig, and the device comprises a first pressure maintaining template which is provided with a first pressed area, and the circumferential direction of the first pressure maintaining template is provided with a first con...

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Bibliographische Detailangaben
1. Verfasser: HUO WEILIANG
Format: Patent
Sprache:chi ; eng
Schlagworte:
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