JPS554792B2 - - Google Patents
Info
- Publication number
- JPS554792B2 JPS554792B2 JP10621173A JP10621173A JPS554792B2 JP S554792 B2 JPS554792 B2 JP S554792B2 JP 10621173 A JP10621173 A JP 10621173A JP 10621173 A JP10621173 A JP 10621173A JP S554792 B2 JPS554792 B2 JP S554792B2
- 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.)
- Expired
Links
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10621173A JPS554792B2 (en) | 1973-09-20 | 1973-09-20 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10621173A JPS554792B2 (en) | 1973-09-20 | 1973-09-20 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5056706A JPS5056706A (en) | 1975-05-17 |
JPS554792B2 true JPS554792B2 (en) | 1980-01-31 |
Family
ID=14427806
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP10621173A Expired JPS554792B2 (en) | 1973-09-20 | 1973-09-20 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS554792B2 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2012045021A (en) * | 2010-08-24 | 2012-03-08 | Shigematsu Works Co Ltd | Filter for mask, method for producing the same, and particle-collecting mask |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5765771A (en) * | 1980-10-08 | 1982-04-21 | Toko Shoji Kk | Mud water technique |
JPS58208376A (en) * | 1982-05-28 | 1983-12-05 | Shimizu Constr Co Ltd | Mud for use in mud drilling |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2775557A (en) * | 1954-12-08 | 1956-12-25 | American Cyanamid Co | Drilling muds containing acrylic acidacrylamide copolymer salts |
US3668122A (en) * | 1969-08-28 | 1972-06-06 | Phillips Petroleum Co | Drilling fluid preparation |
-
1973
- 1973-09-20 JP JP10621173A patent/JPS554792B2/ja not_active Expired
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2775557A (en) * | 1954-12-08 | 1956-12-25 | American Cyanamid Co | Drilling muds containing acrylic acidacrylamide copolymer salts |
US3668122A (en) * | 1969-08-28 | 1972-06-06 | Phillips Petroleum Co | Drilling fluid preparation |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2012045021A (en) * | 2010-08-24 | 2012-03-08 | Shigematsu Works Co Ltd | Filter for mask, method for producing the same, and particle-collecting mask |
Also Published As
Publication number | Publication date |
---|---|
JPS5056706A (en) | 1975-05-17 |