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Okubo Katsuyuki

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Featured researches published by Okubo Katsuyuki.

Archive | 1993

APPARATUS FOR FEEDING A COIL SPRING THROUGH A PIPE.

Tsuji Toshinori; Hosoya Koichi; Ashida Tatsuya; Tsukimoto Fumio; Okubo Katsuyuki; Rokuhara Tetsuo; Shinzo Toshiaki

Archive | 1990

VERFAHREN ZUM DURCHFUEHREN EINES DAHTES DURCH EIN ROHR, VERFAHREN ZUM AUSKLEIDEN DER INNENWAENDE EINES ROHRES UND VORRICHTUNG ZUR DURCHFUEHRUNG EINES DRAHTES DURCH EIN ROHR

Tsuji Toshinori; Hosoya Koichi; Ashida Tatsuya; Tsukimoto Fumio; Okubo Katsuyuki; Rokuhara Tetsuo; Shinzo Toshiaki

Archive | 1988

WIRE PASSING MACHINE FOR PIPE

Tsuji Toshinori; Hosoya Koichi; Tsukimoto Fumio; Okubo Katsuyuki; Rokuhara Tetsuo; Niikura Toshiaki

Archive | 1987

Method of passing wire into pipe

Tsuji Toshinori; Ashida Tatsuya; Tsukimoto Fumio; Okubo Katsuyuki; Rokuhara Tetsuo

Archive | 1990

WIRE INSERTING TOOL FOR PIPE

Tsuji Toshinori; Ashida Tatsuya; Tsukimoto Fumio; Okubo Katsuyuki; Rokuhara Tetsuo

Archive | 1989

MEASURING JIG FOR CITY GAS SUPPLY PIPE

Tsuji Toshinori; Ashida Tatsuya; Tsukimoto Fumio; Okubo Katsuyuki; Rokuhara Tetsuo; Niikura Toshiaki

Archive | 1989

LINING TOOL FOR TUBULAR INNER SURFACE OF CITY GAS FEED PIPE

Tsuji Toshinori; Ashida Tatsuya; Tsukimoto Fumio; Okubo Katsuyuki; Rokuhara Tetsuo; Niikura Toshiaki

Archive | 1989

LINING TOOL FOR INTERNAL SURFACE OF TUBE

Tsuji Toshinori; Ashida Tatsuya; Tsukimoto Fumio; Okubo Katsuyuki; Rokuhara Tetsuo; Niikura Toshiaki

Archive | 1989

LINING OF INNER SURFACE OF TUBE

Tsuji Toshinori; Ashida Tatsuya; Tsukimoto Fumio; Okubo Katsuyuki; Rokuhara Tetsuo

Archive | 1988

UTENSIL FOR LINING INNER SURFACE OF PIPE

Tsukimoto Fumio; Hosoya Koichi; Tsuji Toshinori; Okubo Katsuyuki; Rokuhara Tetsuo

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