JPS5321035A
(en )
1978-02-27
Method of recovering zinc and manganese dioxide
JPS5293110A
(en )
1977-08-05
Method of improving subsoil
JPS537961A
(en )
1978-01-24
Method of removing iron ion and manganese ion in water
JPS5418151A
(en )
1979-02-09
Method of removing iron and manganese dissolved in water
JPS5335227A
(en )
1978-04-01
Method of paving water permeability
JPS5353150A
(en )
1978-05-15
Preparation of magnetized water
CS182590B1
(en )
1978-04-28
Method of oxidation and desinfection of ground water containing iron and manganese
JPS52134208A
(en )
1977-11-10
Method of improving water bottom subsoil
JPS5312726A
(en )
1978-02-04
Method of preventing oxidation of casting
JPS52122212A
(en )
1977-10-14
Recovering of manganese
JPS5327595A
(en )
1978-03-14
Method of fish preserve
JPS535810A
(en )
1978-01-19
Method of improving poor soil
JPS55161083A
(en )
1980-12-15
Simultaneous recovery of zinc and manganese
JPS52103595A
(en )
1977-08-30
Imparting method of water repelency
JPS52118906A
(en )
1977-10-05
Method of stabilizing soil
JPS535835A
(en )
1978-01-19
Method of constructing waterway
JPS52120202A
(en )
1977-10-08
Method of unattended total cross section uppcut excavation
JPS52115561A
(en )
1977-09-28
Method of treating water containing metal
JPS531938A
(en )
1978-01-10
Method of muddy water backkfilling construction in method of muddy water shield construction
JPS5339611A
(en )
1978-04-11
Method of withdrawing ground water
JPS5273544A
(en )
1977-06-20
Method of removing iron and manganese in water
JPS5320622A
(en )
1978-02-25
Method of solidifying mud water
JPS5286213A
(en )
1977-07-18
Method of stabilizing soil
YU306477A
(en )
1982-10-31
Method of continuously casting iron
JPS52128911A
(en )
1977-10-28
Method of preventing oxidation of iron existing in nitrides