CN203309249U - 一种隔膜式紧急切断装置 - Google Patents
一种隔膜式紧急切断装置 Download PDFInfo
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- CN203309249U CN203309249U CN2013202575358U CN201320257535U CN203309249U CN 203309249 U CN203309249 U CN 203309249U CN 2013202575358 U CN2013202575358 U CN 2013202575358U CN 201320257535 U CN201320257535 U CN 201320257535U CN 203309249 U CN203309249 U CN 203309249U
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- pilot valve
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CN2013202575358U CN203309249U (zh) | 2013-05-13 | 2013-05-13 | 一种隔膜式紧急切断装置 |
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CN2013202575358U CN203309249U (zh) | 2013-05-13 | 2013-05-13 | 一种隔膜式紧急切断装置 |
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CN203309249U true CN203309249U (zh) | 2013-11-27 |
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CN2013202575358U Expired - Lifetime CN203309249U (zh) | 2013-05-13 | 2013-05-13 | 一种隔膜式紧急切断装置 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104358904A (zh) * | 2014-11-25 | 2015-02-18 | 四川长仪油气集输设备股份有限公司 | 膜片式控制阀 |
CN113236802A (zh) * | 2021-06-02 | 2021-08-10 | 中国长江三峡集团有限公司 | 先导式差压爆管安全阀及方法 |
-
2013
- 2013-05-13 CN CN2013202575358U patent/CN203309249U/zh not_active Expired - Lifetime
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104358904A (zh) * | 2014-11-25 | 2015-02-18 | 四川长仪油气集输设备股份有限公司 | 膜片式控制阀 |
CN113236802A (zh) * | 2021-06-02 | 2021-08-10 | 中国长江三峡集团有限公司 | 先导式差压爆管安全阀及方法 |
CN113236802B (zh) * | 2021-06-02 | 2023-03-10 | 中国长江三峡集团有限公司 | 先导式差压爆管安全阀及方法 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CP01 | Change in the name or title of a patent holder |
Address after: Tak Road 201802 Shanghai city Jiading District Nanxiang Town, No. 815 Co-patentee after: SHANGHAI GUANLONG VALVE AUTOMATION Co.,Ltd. Patentee after: Shanghai Guanlong Valve Machinery Co.,Ltd. Address before: Tak Road 201802 Shanghai city Jiading District Nanxiang Town, No. 815 Co-patentee before: SHANGHAI CHIRONG AUTOMATION Co.,Ltd. Patentee before: Shanghai Karon Valves Machinery Co.,Ltd. |
|
CP01 | Change in the name or title of a patent holder | ||
CP01 | Change in the name or title of a patent holder |
Address after: Tak Road 201802 Shanghai city Jiading District Nanxiang Town, No. 815 Patentee after: Shanghai Guanlong valve energy saving equipment Co.,Ltd. Patentee after: SHANGHAI GUANLONG VALVE AUTOMATION Co.,Ltd. Address before: Tak Road 201802 Shanghai city Jiading District Nanxiang Town, No. 815 Patentee before: Shanghai Guanlong Valve Machinery Co.,Ltd. Patentee before: SHANGHAI GUANLONG VALVE AUTOMATION Co.,Ltd. |
|
CP01 | Change in the name or title of a patent holder | ||
CX01 | Expiry of patent term |
Granted publication date: 20131127 |
|
CX01 | Expiry of patent term |