BAND PASS FILTER AND PHASE CONTROL CIRCUIT ELIMINATING PHASE DIFFERENCES BETWEEN INPUT AND OUTPUT von MIYO T,JA, NAKAMURA H,JA, OYAMA H,JA, KATO T,JA

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METHOD FOR PREVENTING AND KILLING WEEDS IN RICE von OHI T,JA, UEDA H,JA, ASHIKAWA H,JA, TAKAHASHI S,JA, SASAKI K,JA, OYAMA H,JA, OKAMOTO H,JA, TAMURA J,JA

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FORMAMIDINE DERIVATIVES AND THE COMPOSITION CONTAINING SAME von YAMAMOTO T,JA, ISHIBE K,JA, TAKAHASHI S,JA, SAITO T,JA, NAKA H,JA, OYAMA H,JA, NAKATOMI K,JA

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INTERNAL COMBUSTION ENGINE EQUIPPED WITH MEANS FOR REDUCING THE AMOUNT OF NITROGEN OXIDE WHICH IS EXHAUSTED FROM THE ENGINE von OYAMA Y,JA, MORIYA H,JA, HOSHO Y,JA

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D. C. MOTOR ARRANGEMENT von SAGARA T,JA, SEKINO T,JA, TAKANASHI M,JA, FUJITSUKA T,JA, YAMASHITA K,JA, HARADA H,JA, OYAMA S,JA

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