Ishikawa Yasuaki | Researchain

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Archive | 1981

Rotary bit for enlarging bottom

Kusumi Hiroshi; Ishikawa Yasuaki

Archive | 1979

DEVICE OF DETECTING DIAMETER OF EXPANDED BOTTOM OF EXCAVATOR

Ishikawa Yasuaki; Ajiro Shiyuuichi

Archive | 1999

POSITION MEASURING DEVICE OF UNDERGROUND EXCAVATOR

Moro Takashi; Ishikawa Yasuaki; Shimomura Yoshiaki; Noguchi Minoru; Hara Yasuhiko; Nakamura Masaharu; Hagiwara Hideki

Archive | 1998

EXISTING-STRUCTURE RECOVERING METHOD IN ALL-CASING CONSTRUCTION METHOD AND EXISTING STRUCTURE RECOVERING DEVICE

Tamura Katsumi; Watanabe Akira; Otani Kazuo; Ishikawa Yasuaki; Kusumi Hiroshi; Tsuchiya Kiyoshi

Archive | 2002

TUNNELVORTRIEBSMASCHINE UND HERSTELLUNGSVERFAHREN

Tayama Minoru; Tsuchiya Kiyoshi; Ishikawa Yasuaki; Miki Masaaki; Arita Ryoichi; Ueda Kazunori

Archive | 1998

METHOD AND DEVICE FOR EXCAVATING VERTICAL SHAFT

Matsumoto Yoshiji; Yoshimura Muneo; Hagiwara Hideki; Tanaka Takeshi; Tsuchiya Kiyoshi; Ishikawa Yasuaki; Ueda Kazunori; Ajiro Shuichi; Iijima Michio; Furumura Norio; Kitagawa Shigeki

Archive | 1998

CONSTRUCTION METHOD OF TUNNEL AND WIDENING METHOD THEREOF

Tamura Katsumi; Ishikawa Yasuaki; Tokutake Katsuji; Toyoda Toshinori

Archive | 1984

Rock drilling bit

Terada Kimihiko; Baba Takekazu; Ookouchi Masayuki; Ajiro Shiyuuichi; Wada Masami; Ishikawa Yasuaki

Archive | 1982

EXCAVATING DEVICE FOR UNDERGROUND CONTINUOUS WALL

Kusumi Hiroshi; Kubodera Keizou; Ishikawa Yasuaki

Archive | 1981

BIT FOR VERTICAL HOLE EXCAVATION

Ishikawa Yasuaki; Ajiro Shiyuuichi; Wada Masami

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