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No. Patent No. Title
3261. PI 87003192 A CLEANING COMPOSITION FOR ELECTROCLEANING COLD- ROLLED STEEL.
3262. PI 87003194 ELECTRODELESS FLUORESCENT LIGHTING SYSTEM
3263. PI 87003195 BENDING APPARATUS FOR FORMING SERPENTINE PIPES
3264. PI 87003200 SOUND AND THERMAL INSULATION.
3265. PI 87003201 AUTOMATICALLY LOCKING SLIDER
3266. PI 87003202 SLIDE FASTENER SLIDER WITH DETACHABLE PULL TAB
3267. PI 87003203 METHOD FOR DETERMINING A ROTATIONAL ANGLE OF A ROTARY BODY
3268. PI 87003207 METHOD OF MANUFACTURING CONCRETE AND APPARATUS THEREFOR
3269. PI 87003208 PYRAZOLESULFONYLUREA DERIVATIVE, PREPARATION THEREOF, HERBICIDE CONTAINING SAID DERIVATIVE AS ACTIVE INGREDIENT AND HERBICIDAL METHOD BY USE THEREOF.
3270. PI 87003209 DRILLING FLUID
3271. PI 87003210 N-PHENYL-N-CARBOXYTHIOUREAS AND THEIR USE IN THE CONTROL OF PESTS
3272. PI 87003211 PROCESS FOR SEPARATION OF HYROCARBON GASES
3273. PI 87003212 OILGOMERIZATION OF OLEFINS ON SUPPOTED METAL OXIDE CATALYST
3274. PI 87003213 A METHOD AND DEVICE USING A FLAME FOR PRODUCING SYNTHETIC GAS.
3275. PI 87003214 ELECTROLYTIC CELL.
3276. PI 87003215 METHOD FOR THE RECOVERY OF VITAMIN E (TOCOPHEROLS AND TOCOTRIENOLS) CONCENTRATE FROM PALM FATTY ACID DISTILLATE
3277. PI 87003216 NOVEL VAGINAL SUPPOSITORY
3278. PI 87003217 HYDROSOLS OF PHARMACOLOGICALLY ACTIVE AGENTS AND THEIR PHARMACEUTICAL COMPOSITIONS
3279. PI 87003218 ETHYNYLHETERAROMATIC ACIDS HAVING RETINOIC ACID-LIKE ACTIVITY.
3280. PI 87003221 PROCESS FOR SEPARATION OF HYDROCARBON GASES