JPS63176209U - - Google Patents
Info
- Publication number
- JPS63176209U JPS63176209U JP1987067557U JP6755787U JPS63176209U JP S63176209 U JPS63176209 U JP S63176209U JP 1987067557 U JP1987067557 U JP 1987067557U JP 6755787 U JP6755787 U JP 6755787U JP S63176209 U JPS63176209 U JP S63176209U
- Authority
- JP
- Japan
- Prior art keywords
- cylinder
- transparent member
- per unit
- weight per
- unit length
- Prior art date
- 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.)
- Pending
Links
- 230000002093 peripheral effect Effects 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/80—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
- Y02A40/81—Aquaculture, e.g. of fish
Landscapes
- Farming Of Fish And Shellfish (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987067557U JPS63176209U (zh) | 1987-05-06 | 1987-05-06 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987067557U JPS63176209U (zh) | 1987-05-06 | 1987-05-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63176209U true JPS63176209U (zh) | 1988-11-15 |
Family
ID=30906575
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987067557U Pending JPS63176209U (zh) | 1987-05-06 | 1987-05-06 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63176209U (zh) |
-
1987
- 1987-05-06 JP JP1987067557U patent/JPS63176209U/ja active Pending
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