TW501729U - Improved structure of the vacuum and pressure tester - Google Patents

Improved structure of the vacuum and pressure tester

Info

Publication number
TW501729U
TW501729U TW90224800U TW90224800U TW501729U TW 501729 U TW501729 U TW 501729U TW 90224800 U TW90224800 U TW 90224800U TW 90224800 U TW90224800 U TW 90224800U TW 501729 U TW501729 U TW 501729U
Authority
TW
Taiwan
Prior art keywords
vacuum
improved structure
pressure tester
tester
pressure
Prior art date
Application number
TW90224800U
Other languages
Chinese (zh)
Inventor
Shin-Yi Huang
Original Assignee
Shin-Yi Huang
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shin-Yi Huang filed Critical Shin-Yi Huang
Priority to TW90224800U priority Critical patent/TW501729U/en
Publication of TW501729U publication Critical patent/TW501729U/en

Links

TW90224800U 2001-12-28 2001-12-28 Improved structure of the vacuum and pressure tester TW501729U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
TW90224800U TW501729U (en) 2001-12-28 2001-12-28 Improved structure of the vacuum and pressure tester

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
TW90224800U TW501729U (en) 2001-12-28 2001-12-28 Improved structure of the vacuum and pressure tester

Publications (1)

Publication Number Publication Date
TW501729U true TW501729U (en) 2002-09-01

Family

ID=21688097

Family Applications (1)

Application Number Title Priority Date Filing Date
TW90224800U TW501729U (en) 2001-12-28 2001-12-28 Improved structure of the vacuum and pressure tester

Country Status (1)

Country Link
TW (1) TW501729U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102062667A (en) * 2009-11-17 2011-05-18 刘保龙 Pressure sensing vacuum measurement device
CN110174208A (en) * 2019-05-31 2019-08-27 辽宁红沿河核电有限公司 A kind of absolute pressure measurement piston gage and its piston rotation driving device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102062667A (en) * 2009-11-17 2011-05-18 刘保龙 Pressure sensing vacuum measurement device
CN110174208A (en) * 2019-05-31 2019-08-27 辽宁红沿河核电有限公司 A kind of absolute pressure measurement piston gage and its piston rotation driving device

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Legal Events

Date Code Title Description
GD4K Issue of patent certificate for granted utility model filed before june 30, 2004
MM4K Annulment or lapse of a utility model due to non-payment of fees