Net string for cultivating laver into which metal electrode is woven
JPH09308886A
Method for sterlizing seawater
JPH09191816A
Bird repelling method
JPH0974975A
Device for preventing adhesion of marine organism
JPH08197050A
Seawater desalting device for producing laver
JPH08140512A
Application of nutrient salt simultaneously with extermination/removal of laver disease injury bacteria
JPH07313007A
Method for killing and removing disease bacterium of laver and diatom attached to laver
JPH07227175A
Aquatic observing cylinder of hollow circular water column type
JPH078949A
Automatic adjustment of ph of fresh water produced by reverse osmosis membrane type seawater desalting apparatus
JPH06241683A
Method for removing sea jelly in collected sea water
JPH06153744A
Method for diminishing parasite of fishes and bacterium and removing living thing attached to crawl net
JPH06284835A
Method for curing fish disease and apparatus therefor
JPH05146234A
Extermination of red tide
JPH05146233A
Curing method for fish disease
JPH02190127A
Water tank for live fish
JPH02182127A
Concentrated natural sea water for remedy of fish disease, production of concentrated sea water for remedy of fish disease and treatment of fish disease
