JPS50157386A - - Google Patents
Info
- Publication number
- JPS50157386A JPS50157386A JP6624174A JP6624174A JPS50157386A JP S50157386 A JPS50157386 A JP S50157386A JP 6624174 A JP6624174 A JP 6624174A JP 6624174 A JP6624174 A JP 6624174A JP S50157386 A JPS50157386 A JP S50157386A
- Authority
- JP
- Japan
- Legal status (The legal status 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 status listed.)
- Granted
Links
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6624174A JPS5442992B2 (zh) | 1974-06-11 | 1974-06-11 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6624174A JPS5442992B2 (zh) | 1974-06-11 | 1974-06-11 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS50157386A true JPS50157386A (zh) | 1975-12-19 |
JPS5442992B2 JPS5442992B2 (zh) | 1979-12-17 |
Family
ID=13310155
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP6624174A Expired JPS5442992B2 (zh) | 1974-06-11 | 1974-06-11 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5442992B2 (zh) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102391064A (zh) * | 2011-09-19 | 2012-03-28 | 湖南百利工程科技有限公司 | 一种己内酰胺生产过程中萃取剂回收精制工艺 |
JP2013119539A (ja) * | 2011-12-08 | 2013-06-17 | Unitika Ltd | 回収ε−カプロラクタムの精製法 |
JP2017131874A (ja) * | 2016-01-29 | 2017-08-03 | 株式会社荏原製作所 | スイッチング運転可能な多重効用式薄膜降下型蒸発濃縮装置 |
-
1974
- 1974-06-11 JP JP6624174A patent/JPS5442992B2/ja not_active Expired
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102391064A (zh) * | 2011-09-19 | 2012-03-28 | 湖南百利工程科技有限公司 | 一种己内酰胺生产过程中萃取剂回收精制工艺 |
JP2013119539A (ja) * | 2011-12-08 | 2013-06-17 | Unitika Ltd | 回収ε−カプロラクタムの精製法 |
JP2017131874A (ja) * | 2016-01-29 | 2017-08-03 | 株式会社荏原製作所 | スイッチング運転可能な多重効用式薄膜降下型蒸発濃縮装置 |
Also Published As
Publication number | Publication date |
---|---|
JPS5442992B2 (zh) | 1979-12-17 |