WATER DRAINAGE PIPE
申请公布号:SU718577(A1)
申请号:SU19782679238
申请日期:1978.08.29
申请公布日期:1980.02.29
发明人:RAVKIN ANATOLIJ A,SU
分类号:E04D13/02;(IPC1-7):E04D13/02
主分类号:E04D13/02
FOERFARANDE FOER FRAMSTAELLNING AV EN KOLVAETEBLANDNING
SORBING VOLATILES ONTO POLYMERIC HYDROCOLLOIDS
METHOD OF CUTTING OUT SHELL VALUES FORMED IN A WAFER SHEET
COBALT TREATMENT FOR ARTHRITIS
INCREMENTAL APPLICATION OF DEAD WEIGHT MASSES
SINTERED POWDER METAL FRICTION MATERIAL
POLYETHYLENE OXIDE ACETALS AS SURFACE ACTIVE AGENTS
LASER FOR ANNEALING SOLAR CELL